2021-04-26 11:23:11,895 - octoprint.startup - INFO - ******************************************************************************
2021-04-26 11:23:11,897 - octoprint.startup - INFO - Starting OctoPrint 1.5.3
2021-04-26 11:23:11,898 - octoprint.startup - INFO - ******************************************************************************
2021-04-26 11:23:17,277 - octoprint.util.connectivity.connectivity_checker - INFO - Connectivity changed from offline to online
2021-04-26 11:23:22,438 - octoprint.util.connectivity.connectivity_checker - INFO - Connectivity state is currently: online
2021-04-26 11:23:22,438 - octoprint.util.connectivity.connectivity_checker - INFO - Connecting to 8.8.8.8:53 is working
2021-04-26 11:23:22,439 - octoprint.util.connectivity.connectivity_checker - INFO - Resolving octoprint.org is working
2021-04-26 11:23:22,462 - octoprint.startup - INFO - Blacklist processing done, adding 12 blacklisted plugin versions: roomtemp (any), GcodeEditor (0.1.1), GcodeEditor (0.2.0), GcodeEditor (0.2.1), GcodeEditor (0.2.2), GcodeEditor (0.2.3), GcodeEditor (0.2.4), GcodeEditor (0.2.5), GcodeEditor (0.2.6), GcodeEditor (0.2.8), gcodeleveling (0.1.0), gcodeleveling (0.1.1)
2021-04-26 11:23:22,519 - octoprint.plugin.core - INFO - Loading plugins from /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins, /home/pi/.octoprint/plugins and installed plugin packages...
2021-04-26 11:23:23,282 - octoprint.startup - INFO - Added settings overlay from plugin firmware_check
2021-04-26 11:23:23,285 - octoprint.plugin.core - INFO - Found 20 plugin(s) providing 20 mixin implementations, 40 hook handlers
2021-04-26 11:23:23,388 - octoprint.server.heartbeat - INFO - Starting server heartbeat, 900.0s interval
2021-04-26 11:23:23,394 - octoprint.server - INFO - Intermediary server started
2021-04-26 11:23:23,409 - octoprint.filemanager.storage - INFO - Initializing the file metadata for /home/pi/.octoprint/uploads...
2021-04-26 11:23:23,590 - octoprint.filemanager.storage - INFO - ... file metadata for /home/pi/.octoprint/uploads initialized successfully.
2021-04-26 11:23:23,592 - octoprint.server - INFO - Added new permission from plugin action_command_notification: PLUGIN_ACTION_COMMAND_NOTIFICATION_SHOW (needs: "Need(method='role', value='plugin_action_command_notification_show')")
2021-04-26 11:23:23,593 - octoprint.server - INFO - Added new permission from plugin action_command_notification: PLUGIN_ACTION_COMMAND_NOTIFICATION_CLEAR (needs: "Need(method='role', value='plugin_action_command_notification_clear')")
2021-04-26 11:23:23,593 - octoprint.server - INFO - Added new permission from plugin action_command_prompt: PLUGIN_ACTION_COMMAND_PROMPT_INTERACT (needs: "Need(method='role', value='plugin_action_command_prompt_interact')")
2021-04-26 11:23:23,594 - octoprint.server - INFO - Added new permission from plugin announcements: PLUGIN_ANNOUNCEMENTS_READ (needs: "Need(method='role', value='plugin_announcements_read')")
2021-04-26 11:23:23,594 - octoprint.server - INFO - Added new permission from plugin announcements: PLUGIN_ANNOUNCEMENTS_MANAGE (needs: "Need(method='role', value='plugin_announcements_manage'), Need(method='role', value='plugin_announcements_read')")
2021-04-26 11:23:23,594 - octoprint.server - INFO - Added new permission from plugin appkeys: PLUGIN_APPKEYS_ADMIN (needs: "Need(method='role', value='plugin_appkeys_admin')")
2021-04-26 11:23:23,595 - octoprint.server - INFO - Added new permission from plugin backup: PLUGIN_BACKUP_ACCESS (needs: "Need(method='role', value='plugin_backup_access')")
2021-04-26 11:23:23,595 - octoprint.server - INFO - Added new permission from plugin firmware_check: PLUGIN_FIRMWARE_CHECK_DISPLAY (needs: "Need(method='role', value='plugin_firmware_check_display')")
2021-04-26 11:23:23,595 - octoprint.server - INFO - Added new permission from plugin logging: PLUGIN_LOGGING_MANAGE (needs: "Need(method='role', value='plugin_logging_manage')")
2021-04-26 11:23:23,596 - octoprint.server - INFO - Added new permission from plugin pi_support: PLUGIN_PI_SUPPORT_STATUS (needs: "Need(method='role', value='plugin_pi_support_check')")
2021-04-26 11:23:23,596 - octoprint.server - INFO - Added new permission from plugin pluginmanager: PLUGIN_PLUGINMANAGER_MANAGE (needs: "Need(method='role', value='plugin_pluginmanager_manage')")
2021-04-26 11:23:23,596 - octoprint.server - INFO - Added new permission from plugin pluginmanager: PLUGIN_PLUGINMANAGER_INSTALL (needs: "Need(method='role', value='plugin_pluginmanager_manage'), Need(method='role', value='plugin_pluginmanager_install')")
2021-04-26 11:23:23,596 - octoprint.server - INFO - Added new permission from plugin softwareupdate: PLUGIN_SOFTWAREUPDATE_CHECK (needs: "Need(method='role', value='plugin_softwareupdate_check')")
2021-04-26 11:23:23,597 - octoprint.server - INFO - Added new permission from plugin softwareupdate: PLUGIN_SOFTWAREUPDATE_UPDATE (needs: "Need(method='role', value='plugin_softwareupdate_update')")
2021-04-26 11:23:23,597 - octoprint.server - INFO - Added new permission from plugin softwareupdate: PLUGIN_SOFTWAREUPDATE_CONFIGURE (needs: "Need(method='role', value='plugin_softwareupdate_configure')")
2021-04-26 11:23:24,176 - octoprint.util.pip - INFO - Using "/home/pi/oprint/bin/python3 -m pip" as command to invoke pip
2021-04-26 11:23:24,693 - octoprint.util.pip - INFO - Version of pip is 20.3.3
2021-04-26 11:23:24,694 - octoprint.util.pip - INFO - pip installs to /home/pi/oprint/lib/python3.7/site-packages (writable -> yes), --user flag needed -> no, virtual env -> yes
2021-04-26 11:23:24,695 - octoprint.util.pip - INFO - ==> pip ok -> yes
2021-04-26 11:23:24,748 - octoprint.plugins.softwareupdate - INFO - Loaded version cache from disk
2021-04-26 11:23:24,781 - octoprint.plugin.core - INFO - Initialized 20 plugin implementation(s)
2021-04-26 11:23:24,794 - octoprint.plugin.core - INFO - 20 plugin(s) registered with the system:
|  Action Command Notification Support (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/action_command_notification
|  Action Command Prompt Support (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/action_command_prompt
|  Announcement Plugin (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/announcements
|  Anonymous Usage Tracking (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/tracking
|  Application Keys Plugin (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/appkeys
|  Backup & Restore (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/backup
|  Bed Visualizer (1.0.1) = /home/pi/oprint/lib/python3.7/site-packages/octoprint_bedlevelvisualizer
|  Core Wizard (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/corewizard
|  Discovery (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/discovery
|  Error Tracking (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/errortracking
|  File Check (2021.2.23) (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint_file_check
|  Firmware Check (2021.2.4) (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint_firmware_check
|  GCode Viewer (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/gcodeviewer
|  HeaterTimeout (0.0.3) = /home/pi/oprint/lib/python3.7/site-packages/octoprint_HeaterTimeout
|  Logging (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/logging
|  Pi Support Plugin (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/pi_support
|  Plugin Manager (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/pluginmanager
|  Software Update (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/softwareupdate
|  Themeify (1.2.2) = /home/pi/oprint/lib/python3.7/site-packages/octoprint_themeify
|  Virtual Printer (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/virtual_printer
Prefix legend: ! = disabled, # = blacklisted, * = incompatible
2021-04-26 11:23:24,819 - octoprint.environment - INFO - Detected environment is Python 3.7.3 under Linux (linux). Details:
|  hardware:
|      cores: 4
|      freq: 1500.0
|      ram: 3959300096
|  os:
|      bits: 32
|      id: linux
|      platform: linux
|  plugins:
|      pi_support:
|          model: Raspberry Pi 4 Model B Rev 1.2
|          octopi_version: 0.18.0
|          throttle_state: '0x0'
|  python:
|      pip: 20.3.3
|      version: 3.7.3
|      virtualenv: /home/pi/oprint
2021-04-26 11:23:24,830 - octoprint.server - INFO - Reset webasset folder /home/pi/.octoprint/generated/webassets...
2021-04-26 11:23:24,848 - octoprint.server - INFO - Reset webasset folder /home/pi/.octoprint/generated/.webassets-cache...
2021-04-26 11:23:25,303 - octoprint.server - INFO - Shutting down intermediary server...
2021-04-26 11:23:25,358 - octoprint.server - INFO - Intermediary server shut down
2021-04-26 11:23:25,359 - octoprint.events - INFO - Processing startup event, this is our first event
2021-04-26 11:23:25,359 - octoprint.events - INFO - Adding 2 events to queue that were held back before startup event
2021-04-26 11:23:25,360 - octoprint.filemanager - INFO - Adding backlog items from all storage types to analysis queue...
2021-04-26 11:23:25,363 - octoprint.server.util.watchdog - INFO - Running initial scan on watched folder...
2021-04-26 11:23:25,366 - octoprint.filemanager - INFO - Added 0 items from storage type "local" to analysis queue
2021-04-26 11:23:25,369 - octoprint.server.util.watchdog - INFO - ... initial scan done.
2021-04-26 11:23:25,384 - octoprint.plugins.softwareupdate - INFO - Fetching check overlays from https://plugins.octoprint.org/update_check_overlay.json
2021-04-26 11:23:25,388 - octoprint.plugins.pluginmanager - INFO - Loaded plugin repository data from disk, was still valid
2021-04-26 11:23:26,226 - octoprint.plugins.discovery - INFO - Registered 'OctoPrint instance on octopi._http._tcp.local.' for _http._tcp.local.
2021-04-26 11:23:26,306 - octoprint.plugins.pluginmanager - INFO - Loaded notice data from disk, was still valid
2021-04-26 11:23:27,031 - octoprint.plugins.discovery - INFO - Registered 'OctoPrint instance on octopi._octoprint._tcp.local.' for _octoprint._tcp.local.
2021-04-26 11:23:27,033 - octoprint.plugins.discovery - INFO - Registered OctoPrint instance on octopi for SSDP
2021-04-26 11:23:27,084 - octoprint.server - INFO - Listening on http://127.0.0.1:5000
2021-04-26 11:23:27,156 - octoprint.server.util.sockjs - INFO - New connection from client: ::ffff:192.168.1.3
2021-04-26 11:23:27,239 - octoprint.plugins.pluginmanager - INFO - Loaded plugin repository data from disk, was still valid
2021-04-26 11:23:27,345 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:23:27,345 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 11:23:27,784 - octoprint.util.pip - INFO - Using "/home/pi/oprint/bin/python3 -m pip" as command to invoke pip
2021-04-26 11:23:27,790 - octoprint.util.pip - INFO - pip installs to /home/pi/oprint/lib/python3.7/site-packages (writable -> yes), --user flag needed -> no, virtual env -> yes
2021-04-26 11:23:27,791 - octoprint.util.pip - INFO - ==> pip ok -> yes
2021-04-26 11:23:27,846 - octoprint.plugins.softwareupdate - INFO - Minimum free storage across all update relevant locations is 11.2GB. That is considered sufficient for updating.
2021-04-26 11:23:28,301 - octoprint.plugins.pluginmanager - INFO - Loaded notice data from disk, was still valid
2021-04-26 11:23:30,632 - octoprint.plugins.tracking - INFO - Sent tracking event system_unthrottled, payload: {'throttled_now': False, 'throttled_past': False, 'throttled_mask': 0, 'throttled_voltage_now': False, 'throttled_voltage_past': False, 'throttled_overheat_now': False, 'throttled_overheat_past': False}
2021-04-26 11:23:30,893 - octoprint.plugins.HeaterTimeout - INFO - Starting up...
2021-04-26 11:23:30,894 - octoprint.plugins.bedlevelvisualizer - INFO - OctoPrint-BedLevelVisualizer loaded!
2021-04-26 11:23:30,894 - octoprint.plugins.themeify - INFO - Themeify initialized.
2021-04-26 11:23:31,058 - octoprint.server.preemptive_cache - INFO - Preemptively caching / (ui _default) for {'base_url': 'http://octopi.local/', 'path': '/', 'query_string': 'l10n=en'}
2021-04-26 11:23:31,100 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {'octoprint_uptime': 7}
2021-04-26 11:23:31,356 - octoprint.plugins.tracking - INFO - Sent tracking event pong, payload: {'version': '1.5.3', 'os': 'linux', 'bits': 32, 'python': '3.7.3', 'pip': '20.3.3', 'cores': 4, 'freq': 1500.0, 'ram': 3959300096, 'pi_model': 'Raspberry Pi 4 Model B Rev 1.2', 'octopi_version': '0.18.0', 'plugins': 'themeify:1.2.2,heatertimeout:0.0.3,bedlevelvisualizer:1.0.1'}
2021-04-26 11:23:31,634 - octoprint.plugins.tracking - INFO - Sent tracking event startup, payload: {'version': '1.5.3', 'os': 'linux', 'bits': 32, 'python': '3.7.3', 'pip': '20.3.3', 'cores': 4, 'freq': 1500.0, 'ram': 3959300096, 'pi_model': 'Raspberry Pi 4 Model B Rev 1.2', 'octopi_version': '0.18.0'}
2021-04-26 11:23:31,976 - octoprint.server.util.sockjs - INFO - New connection from client: ::ffff:192.168.1.3
2021-04-26 11:23:32,020 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:23:32,020 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 11:23:32,030 - octoprint.server.util.sockjs - INFO - User Stef Geukens logged in on the socket from client ::ffff:192.168.1.3
2021-04-26 11:23:32,039 - octoprint.server.util.sockjs - INFO - Client connection closed: ::ffff:192.168.1.3
2021-04-26 11:23:32,041 - octoprint.server.util.sockjs - INFO - User Stef Geukens logged in on the socket from client ::ffff:192.168.1.3
2021-04-26 11:23:33,903 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 630, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:23:33,904 - octoprint.server.preemptive_cache - INFO - ... done in 2.85s
2021-04-26 11:23:33,904 - octoprint.server.preemptive_cache - INFO - Preemptively caching / (ui _default) for {'base_url': 'http://192.168.1.11/', 'path': '/', 'query_string': 'l10n=en'}
2021-04-26 11:23:34,016 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 630, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:23:34,017 - octoprint.server.preemptive_cache - INFO - ... done in 0.11s
2021-04-26 11:25:06,449 - tornado.access - WARNING - 404 POST /api/plugin/zbolt_octoscreen (127.0.0.1) 6.53ms
2021-04-26 11:25:06,458 - tornado.access - WARNING - 404 POST /api/plugin/zbolt_octoscreen (127.0.0.1) 5.93ms
2021-04-26 11:25:06,536 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:25:06,554 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:25:06,554 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:25:06,555 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:25:06,586 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:25:06,776 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:25:08,539 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:25:08,555 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:25:10,833 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:25:10,834 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:25:10,864 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:25:11,038 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:25:12,555 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:25:12,573 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:25:12,573 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:25:12,574 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:25:12,601 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:25:12,770 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:25:14,560 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:25:14,576 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:25:14,576 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:25:14,577 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:25:14,609 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:25:14,761 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:25:16,572 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:25:16,587 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:25:16,587 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:25:16,588 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:25:16,620 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:25:16,776 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:25:18,555 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:25:18,573 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:25:18,574 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:25:18,574 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:25:18,603 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:25:18,761 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:25:20,543 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:25:20,560 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:25:20,560 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:25:20,561 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:25:20,588 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:25:20,764 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:25:22,556 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:25:22,575 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:25:22,575 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:25:22,576 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:25:22,608 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:25:22,801 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:25:24,555 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:25:24,573 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:25:24,573 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:25:24,574 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:25:24,601 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:25:24,778 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:26:49,916 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:26:49,917 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 11:26:50,082 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 669, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:26:50,094 - tornado.access - ERROR - 500 GET / (::ffff:192.168.1.3) 193.56ms
2021-04-26 11:26:50,915 - octoprint.server.util.sockjs - INFO - Client connection closed: ::ffff:192.168.1.3
2021-04-26 11:27:14,360 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:27:14,360 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 11:27:14,519 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 669, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:27:14,525 - tornado.access - ERROR - 500 GET / (::ffff:192.168.1.3) 180.85ms
2021-04-26 11:27:16,422 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:27:16,422 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 11:27:16,575 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 669, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:27:16,581 - tornado.access - ERROR - 500 GET / (::ffff:192.168.1.3) 171.33ms
2021-04-26 11:27:16,612 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:27:16,612 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 11:27:16,714 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 669, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:27:16,720 - tornado.access - ERROR - 500 GET / (::ffff:192.168.1.3) 113.38ms
2021-04-26 11:27:18,143 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:27:18,145 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 11:27:18,300 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 669, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:27:18,307 - tornado.access - ERROR - 500 GET / (::ffff:192.168.1.3) 176.33ms
2021-04-26 11:27:21,663 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:27:21,664 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 11:27:21,806 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 669, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:27:21,813 - tornado.access - ERROR - 500 GET / (::ffff:192.168.1.3) 161.92ms
2021-04-26 11:27:27,593 - tornado.access - WARNING - 404 POST /api/plugin/zbolt_octoscreen (127.0.0.1) 6.01ms
2021-04-26 11:27:27,602 - tornado.access - WARNING - 404 POST /api/plugin/zbolt_octoscreen (127.0.0.1) 5.96ms
2021-04-26 11:27:27,677 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:27:27,689 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:27:27,689 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:27:27,690 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:27:27,716 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:27:27,891 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:27:29,711 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:27:29,724 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:27:29,724 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:27:29,725 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:27:29,749 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:27:29,928 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:27:31,707 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:27:31,724 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:27:31,724 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:27:31,725 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:27:31,750 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:27:31,911 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:27:33,705 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:27:33,720 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:27:33,720 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:27:33,721 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:27:33,746 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:27:33,918 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:27:35,710 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:27:35,723 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:27:35,723 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:27:35,724 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:27:35,748 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:27:35,922 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:27:37,711 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:27:37,724 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:27:37,724 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:27:37,725 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:27:37,749 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:27:37,906 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:27:39,690 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:27:39,702 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:27:39,703 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:27:39,703 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:27:39,727 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:27:39,907 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:27:41,706 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:27:41,719 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:27:41,719 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:27:41,720 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:27:41,745 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:27:41,930 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:27:43,709 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:27:43,722 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:27:43,722 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:27:43,723 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:27:43,749 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:27:43,927 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:27:45,708 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:27:45,722 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:27:45,722 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:27:45,723 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:27:45,748 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:27:45,931 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:29:12,690 - octoprint.server - INFO - Shutting down...
2021-04-26 11:29:13,513 - octoprint.server - INFO - Calling on_shutdown on plugins
2021-04-26 11:29:13,517 - octoprint.events - INFO - Processing shutdown event, this will be our last event
2021-04-26 11:29:13,520 - octoprint.events - INFO - Event loop shut down
2021-04-26 11:29:14,343 - octoprint.plugins.tracking - INFO - Sent tracking event shutdown, payload: {}
2021-04-26 11:29:14,346 - octoprint.plugins.HeaterTimeout - INFO - Shutting down...
2021-04-26 11:29:14,347 - octoprint.server - INFO - Goodbye!
2021-04-26 11:29:23,700 - octoprint.startup - INFO - ******************************************************************************
2021-04-26 11:29:23,702 - octoprint.startup - INFO - Starting OctoPrint 1.5.3
2021-04-26 11:29:23,703 - octoprint.startup - INFO - ******************************************************************************
2021-04-26 11:29:29,076 - octoprint.util.connectivity.connectivity_checker - INFO - Connectivity changed from offline to online
2021-04-26 11:29:34,249 - octoprint.util.connectivity.connectivity_checker - INFO - Connectivity state is currently: online
2021-04-26 11:29:34,250 - octoprint.util.connectivity.connectivity_checker - INFO - Connecting to 8.8.8.8:53 is working
2021-04-26 11:29:34,250 - octoprint.util.connectivity.connectivity_checker - INFO - Resolving octoprint.org is working
2021-04-26 11:29:34,272 - octoprint.startup - INFO - Blacklist processing done, adding 12 blacklisted plugin versions: roomtemp (any), GcodeEditor (0.1.1), GcodeEditor (0.2.0), GcodeEditor (0.2.1), GcodeEditor (0.2.2), GcodeEditor (0.2.3), GcodeEditor (0.2.4), GcodeEditor (0.2.5), GcodeEditor (0.2.6), GcodeEditor (0.2.8), gcodeleveling (0.1.0), gcodeleveling (0.1.1)
2021-04-26 11:29:34,322 - octoprint.plugin.core - INFO - Loading plugins from /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins, /home/pi/.octoprint/plugins and installed plugin packages...
2021-04-26 11:29:35,081 - octoprint.startup - INFO - Added settings overlay from plugin firmware_check
2021-04-26 11:29:35,084 - octoprint.plugin.core - INFO - Found 20 plugin(s) providing 20 mixin implementations, 40 hook handlers
2021-04-26 11:29:35,186 - octoprint.server.heartbeat - INFO - Starting server heartbeat, 900.0s interval
2021-04-26 11:29:35,192 - octoprint.server - INFO - Intermediary server started
2021-04-26 11:29:35,207 - octoprint.filemanager.storage - INFO - Initializing the file metadata for /home/pi/.octoprint/uploads...
2021-04-26 11:29:35,385 - octoprint.filemanager.storage - INFO - ... file metadata for /home/pi/.octoprint/uploads initialized successfully.
2021-04-26 11:29:35,388 - octoprint.server - INFO - Added new permission from plugin action_command_notification: PLUGIN_ACTION_COMMAND_NOTIFICATION_SHOW (needs: "Need(method='role', value='plugin_action_command_notification_show')")
2021-04-26 11:29:35,388 - octoprint.server - INFO - Added new permission from plugin action_command_notification: PLUGIN_ACTION_COMMAND_NOTIFICATION_CLEAR (needs: "Need(method='role', value='plugin_action_command_notification_clear')")
2021-04-26 11:29:35,388 - octoprint.server - INFO - Added new permission from plugin action_command_prompt: PLUGIN_ACTION_COMMAND_PROMPT_INTERACT (needs: "Need(method='role', value='plugin_action_command_prompt_interact')")
2021-04-26 11:29:35,389 - octoprint.server - INFO - Added new permission from plugin announcements: PLUGIN_ANNOUNCEMENTS_READ (needs: "Need(method='role', value='plugin_announcements_read')")
2021-04-26 11:29:35,389 - octoprint.server - INFO - Added new permission from plugin announcements: PLUGIN_ANNOUNCEMENTS_MANAGE (needs: "Need(method='role', value='plugin_announcements_read'), Need(method='role', value='plugin_announcements_manage')")
2021-04-26 11:29:35,389 - octoprint.server - INFO - Added new permission from plugin appkeys: PLUGIN_APPKEYS_ADMIN (needs: "Need(method='role', value='plugin_appkeys_admin')")
2021-04-26 11:29:35,390 - octoprint.server - INFO - Added new permission from plugin backup: PLUGIN_BACKUP_ACCESS (needs: "Need(method='role', value='plugin_backup_access')")
2021-04-26 11:29:35,390 - octoprint.server - INFO - Added new permission from plugin firmware_check: PLUGIN_FIRMWARE_CHECK_DISPLAY (needs: "Need(method='role', value='plugin_firmware_check_display')")
2021-04-26 11:29:35,390 - octoprint.server - INFO - Added new permission from plugin logging: PLUGIN_LOGGING_MANAGE (needs: "Need(method='role', value='plugin_logging_manage')")
2021-04-26 11:29:35,391 - octoprint.server - INFO - Added new permission from plugin pi_support: PLUGIN_PI_SUPPORT_STATUS (needs: "Need(method='role', value='plugin_pi_support_check')")
2021-04-26 11:29:35,391 - octoprint.server - INFO - Added new permission from plugin pluginmanager: PLUGIN_PLUGINMANAGER_MANAGE (needs: "Need(method='role', value='plugin_pluginmanager_manage')")
2021-04-26 11:29:35,392 - octoprint.server - INFO - Added new permission from plugin pluginmanager: PLUGIN_PLUGINMANAGER_INSTALL (needs: "Need(method='role', value='plugin_pluginmanager_install'), Need(method='role', value='plugin_pluginmanager_manage')")
2021-04-26 11:29:35,392 - octoprint.server - INFO - Added new permission from plugin softwareupdate: PLUGIN_SOFTWAREUPDATE_CHECK (needs: "Need(method='role', value='plugin_softwareupdate_check')")
2021-04-26 11:29:35,392 - octoprint.server - INFO - Added new permission from plugin softwareupdate: PLUGIN_SOFTWAREUPDATE_UPDATE (needs: "Need(method='role', value='plugin_softwareupdate_update')")
2021-04-26 11:29:35,393 - octoprint.server - INFO - Added new permission from plugin softwareupdate: PLUGIN_SOFTWAREUPDATE_CONFIGURE (needs: "Need(method='role', value='plugin_softwareupdate_configure')")
2021-04-26 11:29:35,978 - octoprint.util.pip - INFO - Using "/home/pi/oprint/bin/python3 -m pip" as command to invoke pip
2021-04-26 11:29:36,493 - octoprint.util.pip - INFO - Version of pip is 20.3.3
2021-04-26 11:29:36,494 - octoprint.util.pip - INFO - pip installs to /home/pi/oprint/lib/python3.7/site-packages (writable -> yes), --user flag needed -> no, virtual env -> yes
2021-04-26 11:29:36,495 - octoprint.util.pip - INFO - ==> pip ok -> yes
2021-04-26 11:29:36,548 - octoprint.plugins.softwareupdate - INFO - Loaded version cache from disk
2021-04-26 11:29:36,580 - octoprint.plugin.core - INFO - Initialized 20 plugin implementation(s)
2021-04-26 11:29:36,593 - octoprint.plugin.core - INFO - 20 plugin(s) registered with the system:
|  Action Command Notification Support (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/action_command_notification
|  Action Command Prompt Support (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/action_command_prompt
|  Announcement Plugin (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/announcements
|  Anonymous Usage Tracking (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/tracking
|  Application Keys Plugin (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/appkeys
|  Backup & Restore (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/backup
|  Bed Visualizer (1.0.1) = /home/pi/oprint/lib/python3.7/site-packages/octoprint_bedlevelvisualizer
|  Core Wizard (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/corewizard
|  Discovery (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/discovery
|  Error Tracking (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/errortracking
|  File Check (2021.2.23) (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint_file_check
|  Firmware Check (2021.2.4) (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint_firmware_check
|  GCode Viewer (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/gcodeviewer
|  HeaterTimeout (0.0.3) = /home/pi/oprint/lib/python3.7/site-packages/octoprint_HeaterTimeout
|  Logging (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/logging
|  Pi Support Plugin (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/pi_support
|  Plugin Manager (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/pluginmanager
|  Software Update (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/softwareupdate
|  Themeify (1.2.2) = /home/pi/oprint/lib/python3.7/site-packages/octoprint_themeify
|  Virtual Printer (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/virtual_printer
Prefix legend: ! = disabled, # = blacklisted, * = incompatible
2021-04-26 11:29:36,618 - octoprint.environment - INFO - Detected environment is Python 3.7.3 under Linux (linux). Details:
|  hardware:
|      cores: 4
|      freq: 1500.0
|      ram: 3959300096
|  os:
|      bits: 32
|      id: linux
|      platform: linux
|  plugins:
|      pi_support:
|          model: Raspberry Pi 4 Model B Rev 1.2
|          octopi_version: 0.18.0
|          throttle_state: '0x0'
|  python:
|      pip: 20.3.3
|      version: 3.7.3
|      virtualenv: /home/pi/oprint
2021-04-26 11:29:36,628 - octoprint.server - INFO - Reset webasset folder /home/pi/.octoprint/generated/webassets...
2021-04-26 11:29:36,638 - octoprint.server - INFO - Reset webasset folder /home/pi/.octoprint/generated/.webassets-cache...
2021-04-26 11:29:37,082 - octoprint.server - INFO - Shutting down intermediary server...
2021-04-26 11:29:37,200 - octoprint.server - INFO - Intermediary server shut down
2021-04-26 11:29:37,201 - octoprint.events - INFO - Processing startup event, this is our first event
2021-04-26 11:29:37,202 - octoprint.events - INFO - Adding 2 events to queue that were held back before startup event
2021-04-26 11:29:37,203 - octoprint.filemanager - INFO - Adding backlog items from all storage types to analysis queue...
2021-04-26 11:29:37,210 - octoprint.plugins.softwareupdate - INFO - Fetching check overlays from https://plugins.octoprint.org/update_check_overlay.json
2021-04-26 11:29:37,211 - octoprint.filemanager - INFO - Added 0 items from storage type "local" to analysis queue
2021-04-26 11:29:37,212 - octoprint.server.util.watchdog - INFO - Running initial scan on watched folder...
2021-04-26 11:29:37,230 - octoprint.plugins.pluginmanager - INFO - Loaded plugin repository data from disk, was still valid
2021-04-26 11:29:37,235 - octoprint.server.util.watchdog - INFO - ... initial scan done.
2021-04-26 11:29:38,092 - octoprint.plugins.pluginmanager - INFO - Loaded notice data from disk, was still valid
2021-04-26 11:29:38,133 - octoprint.plugins.discovery - INFO - Registered 'OctoPrint instance on octopi._http._tcp.local.' for _http._tcp.local.
2021-04-26 11:29:38,945 - octoprint.plugins.discovery - INFO - Registered 'OctoPrint instance on octopi._octoprint._tcp.local.' for _octoprint._tcp.local.
2021-04-26 11:29:38,968 - octoprint.plugins.discovery - INFO - Registered OctoPrint instance on octopi for SSDP
2021-04-26 11:29:38,998 - octoprint.server - INFO - Listening on http://127.0.0.1:5000
2021-04-26 11:29:39,071 - octoprint.plugins.pluginmanager - INFO - Loaded plugin repository data from disk, was still valid
2021-04-26 11:29:39,628 - octoprint.util.pip - INFO - Using "/home/pi/oprint/bin/python3 -m pip" as command to invoke pip
2021-04-26 11:29:39,634 - octoprint.util.pip - INFO - pip installs to /home/pi/oprint/lib/python3.7/site-packages (writable -> yes), --user flag needed -> no, virtual env -> yes
2021-04-26 11:29:39,634 - octoprint.util.pip - INFO - ==> pip ok -> yes
2021-04-26 11:29:39,705 - octoprint.plugins.softwareupdate - INFO - Minimum free storage across all update relevant locations is 11.2GB. That is considered sufficient for updating.
2021-04-26 11:29:39,988 - octoprint.plugins.pluginmanager - INFO - Loaded notice data from disk, was still valid
2021-04-26 11:29:42,523 - octoprint.plugins.tracking - INFO - Sent tracking event system_unthrottled, payload: {'throttled_now': False, 'throttled_past': False, 'throttled_mask': 0, 'throttled_voltage_now': False, 'throttled_voltage_past': False, 'throttled_overheat_now': False, 'throttled_overheat_past': False}
2021-04-26 11:29:42,681 - octoprint.plugins.HeaterTimeout - INFO - Starting up...
2021-04-26 11:29:42,682 - octoprint.plugins.bedlevelvisualizer - INFO - OctoPrint-BedLevelVisualizer loaded!
2021-04-26 11:29:42,683 - octoprint.plugins.themeify - INFO - Themeify initialized.
2021-04-26 11:29:42,820 - octoprint.server.preemptive_cache - INFO - Preemptively caching / (ui _default) for {'base_url': 'http://octopi.local/', 'path': '/', 'query_string': 'l10n=en'}
2021-04-26 11:29:42,950 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {'octoprint_uptime': 7}
2021-04-26 11:29:43,199 - octoprint.plugins.tracking - INFO - Sent tracking event pong, payload: {'version': '1.5.3', 'os': 'linux', 'bits': 32, 'python': '3.7.3', 'pip': '20.3.3', 'cores': 4, 'freq': 1500.0, 'ram': 3959300096, 'pi_model': 'Raspberry Pi 4 Model B Rev 1.2', 'octopi_version': '0.18.0', 'plugins': 'themeify:1.2.2,heatertimeout:0.0.3,bedlevelvisualizer:1.0.1'}
2021-04-26 11:29:43,458 - octoprint.plugins.tracking - INFO - Sent tracking event startup, payload: {'version': '1.5.3', 'os': 'linux', 'bits': 32, 'python': '3.7.3', 'pip': '20.3.3', 'cores': 4, 'freq': 1500.0, 'ram': 3959300096, 'pi_model': 'Raspberry Pi 4 Model B Rev 1.2', 'octopi_version': '0.18.0'}
2021-04-26 11:29:45,301 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 630, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:29:45,302 - octoprint.server.preemptive_cache - INFO - ... done in 2.48s
2021-04-26 11:29:45,303 - octoprint.server.preemptive_cache - INFO - Preemptively caching / (ui _default) for {'base_url': 'http://192.168.1.11/', 'path': '/', 'query_string': 'l10n=en'}
2021-04-26 11:29:45,410 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 630, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:29:45,411 - octoprint.server.preemptive_cache - INFO - ... done in 0.11s
2021-04-26 11:29:48,827 - tornado.access - WARNING - 404 POST /api/plugin/zbolt_octoscreen (127.0.0.1) 9.25ms
2021-04-26 11:29:48,836 - tornado.access - WARNING - 404 POST /api/plugin/zbolt_octoscreen (127.0.0.1) 6.13ms
2021-04-26 11:29:48,913 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:29:48,926 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:29:48,926 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:29:48,927 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:29:48,955 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:29:49,123 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:29:50,940 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:29:50,953 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:29:50,953 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:29:50,954 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:29:50,977 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:29:51,134 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:29:52,939 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:29:52,955 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:29:52,955 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:29:52,956 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:29:52,980 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:29:53,137 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:29:54,764 - octoprint.startup - INFO - ******************************************************************************
2021-04-26 11:29:54,766 - octoprint.startup - INFO - Starting OctoPrint 1.5.3
2021-04-26 11:29:54,766 - octoprint.startup - INFO - Starting in SAFE MODE. Third party plugins will be disabled!
2021-04-26 11:29:54,766 - octoprint.startup - INFO - Reason for safe mode: command line flag
2021-04-26 11:29:54,766 - octoprint.startup - INFO - ******************************************************************************
2021-04-26 11:29:54,888 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:29:54,905 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:29:54,906 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:29:54,906 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:29:54,932 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:29:55,084 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:29:56,940 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:29:56,953 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:29:56,953 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:29:56,954 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:29:56,979 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:29:57,129 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:29:58,943 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:29:58,956 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:29:58,956 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:29:58,957 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:29:58,981 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:29:59,149 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:29:59,764 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:29:59,765 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 11:29:59,925 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 669, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:29:59,933 - tornado.access - ERROR - 500 GET / (::ffff:192.168.1.3) 186.69ms
2021-04-26 11:30:00,173 - octoprint.util.connectivity.connectivity_checker - INFO - Connectivity changed from offline to online
2021-04-26 11:30:00,887 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:30:00,888 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 11:30:01,007 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 669, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:30:01,014 - tornado.access - ERROR - 500 GET / (::ffff:192.168.1.3) 134.80ms
2021-04-26 11:30:01,052 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:30:01,064 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:30:01,065 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:30:01,065 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:30:01,089 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:30:01,309 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:30:01,601 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:30:01,601 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 11:30:01,751 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 669, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:30:01,758 - tornado.access - ERROR - 500 GET / (::ffff:192.168.1.3) 165.19ms
2021-04-26 11:30:02,270 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:30:02,270 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 11:30:02,371 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 669, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:30:02,378 - tornado.access - ERROR - 500 GET / (::ffff:192.168.1.3) 113.53ms
2021-04-26 11:30:02,934 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:30:02,948 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:30:02,948 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:30:02,949 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:30:02,963 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:30:02,963 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 11:30:02,990 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:30:03,092 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 669, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:30:03,100 - tornado.access - ERROR - 500 GET / (::ffff:192.168.1.3) 143.23ms
2021-04-26 11:30:03,873 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:30:04,056 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:30:04,057 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 11:30:05,341 - octoprint.util.connectivity.connectivity_checker - INFO - Connectivity state is currently: online
2021-04-26 11:30:05,341 - octoprint.util.connectivity.connectivity_checker - INFO - Connecting to 8.8.8.8:53 is working
2021-04-26 11:30:05,341 - octoprint.util.connectivity.connectivity_checker - INFO - Resolving octoprint.org is working
2021-04-26 11:30:05,352 - octoprint.startup - INFO - Blacklist processing done, adding 12 blacklisted plugin versions: roomtemp (any), GcodeEditor (0.1.1), GcodeEditor (0.2.0), GcodeEditor (0.2.1), GcodeEditor (0.2.2), GcodeEditor (0.2.3), GcodeEditor (0.2.4), GcodeEditor (0.2.5), GcodeEditor (0.2.6), GcodeEditor (0.2.8), gcodeleveling (0.1.0), gcodeleveling (0.1.1)
2021-04-26 11:30:05,342 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 669, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:30:05,352 - tornado.access - ERROR - 500 GET / (::ffff:192.168.1.3) 1311.19ms
2021-04-26 11:30:05,384 - octoprint.plugin.core - INFO - Loading plugins from /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins, /home/pi/.octoprint/plugins and installed plugin packages...
2021-04-26 11:30:05,434 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:30:05,448 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:30:05,449 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:30:05,449 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:30:05,475 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:30:05,638 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:30:06,143 - octoprint.startup - INFO - Added settings overlay from plugin firmware_check
2021-04-26 11:30:06,146 - octoprint.plugin.core - INFO - Found 20 plugin(s) providing 17 mixin implementations, 34 hook handlers
2021-04-26 11:30:06,145 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:30:06,146 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 11:30:06,257 - octoprint.server.heartbeat - INFO - Starting server heartbeat, 900.0s interval
2021-04-26 11:30:06,258 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 669, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:30:06,266 - tornado.access - ERROR - 500 GET / (::ffff:192.168.1.3) 129.37ms
2021-04-26 11:30:06,262 - octoprint.cli.server - ERROR - Uncaught exception
Traceback (most recent call last):
  File "oprint/bin/octoprint", line 8, in <module>
    sys.exit(main())
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/__init__.py", line 939, in main
    octo(args=args, prog_name="octoprint", auto_envvar_prefix="OCTOPRINT")
  File "/home/pi/oprint/lib/python3.7/site-packages/click/core.py", line 829, in __call__
    return self.main(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/click/core.py", line 782, in main
    rv = self.invoke(ctx)
  File "/home/pi/oprint/lib/python3.7/site-packages/click/core.py", line 1259, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/pi/oprint/lib/python3.7/site-packages/click/core.py", line 1066, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/pi/oprint/lib/python3.7/site-packages/click/core.py", line 610, in invoke
    return callback(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/click/decorators.py", line 21, in new_func
    return f(get_current_context(), *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/cli/server.py", line 315, in serve_command
    ignore_blacklist,
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/cli/server.py", line 160, in run_server
    octoprint_server.run()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/__init__.py", line 370, in run
    self._start_intermediary_server()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/__init__.py", line 2376, in _start_intermediary_server
    self._intermediary_server.server_bind()
  File "/usr/lib/python3.7/http/server.py", line 137, in server_bind
    socketserver.TCPServer.server_bind(self)
  File "/usr/lib/python3.7/socketserver.py", line 466, in server_bind
    self.socket.bind(self.server_address)
OSError: [Errno 98] Address already in use
2021-04-26 11:30:06,773 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:30:06,774 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 11:30:06,875 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 669, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:30:06,881 - tornado.access - ERROR - 500 GET / (::ffff:192.168.1.3) 112.96ms
2021-04-26 11:30:07,014 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:30:07,028 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:30:07,028 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:30:07,029 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:30:07,052 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:30:07,227 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 11:30:07,456 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:30:07,457 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 11:30:07,902 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 669, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:30:07,909 - tornado.access - ERROR - 500 GET / (::ffff:192.168.1.3) 467.16ms
2021-04-26 11:30:09,948 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:30:09,949 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 11:30:10,095 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 669, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:30:10,103 - tornado.access - ERROR - 500 GET / (::ffff:192.168.1.3) 170.85ms
2021-04-26 11:30:11,068 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:30:11,069 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 11:30:11,262 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 669, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:30:11,267 - tornado.access - ERROR - 500 GET / (::ffff:192.168.1.3) 210.93ms
2021-04-26 11:30:12,071 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:30:12,072 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 11:30:12,209 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 669, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:30:12,217 - tornado.access - ERROR - 500 GET / (::ffff:192.168.1.3) 157.35ms
2021-04-26 11:30:12,778 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:30:12,778 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 11:30:12,945 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 669, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:30:12,952 - tornado.access - ERROR - 500 GET / (::ffff:192.168.1.3) 179.73ms
2021-04-26 11:30:13,741 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:30:13,741 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 11:30:13,875 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 669, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:30:13,882 - tornado.access - ERROR - 500 GET / (::ffff:192.168.1.3) 156.83ms
2021-04-26 11:30:14,543 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:30:14,544 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 11:30:15,072 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 669, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:30:15,078 - tornado.access - ERROR - 500 GET / (::ffff:192.168.1.3) 545.33ms
2021-04-26 11:30:17,234 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:30:17,235 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 11:30:17,392 - octoprint - ERROR - Exception on / [GET]
Traceback (most recent call last):
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 2447, in wsgi_app
    response = self.full_dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1952, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1821, in handle_user_exception
    reraise(exc_type, exc_value, tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/_compat.py", line 39, in reraise
    raise value
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1950, in full_dispatch_request
    rv = self.dispatch_request()
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/app.py", line 1936, in dispatch_request
    return self.view_functions[rule.endpoint](**req.view_args)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 669, in index
    response = default_view()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 603, in default_view
    return preemptively_cached()
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1154, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1236, in decorated_function
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1246, in decorated_function
    r = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 879, in decorated_function
    rv = f_with_duration(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 831, in f_with_duration
    return f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1165, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 1190, in decorated_function
    rv = f(*args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/views.py", line 593, in make_default_ui
    r = make_response(render_template("index.jinja2", **render_kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 140, in render_template
    ctx.app,
  File "/home/pi/oprint/lib/python3.7/site-packages/flask/templating.py", line 120, in _render
    rv = template.render(context)
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 1090, in render
    self.environment.handle_exception()
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/environment.py", line 832, in handle_exception
    reraise(*rewrite_traceback_stack(source=source))
  File "/home/pi/oprint/lib/python3.7/site-packages/jinja2/_compat.py", line 28, in reraise
    raise value.with_traceback(tb)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/index.jinja2", line 17, in top-level template code
    {% include 'javascripts-preload.jinja2' %}
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/templates/javascripts-preload.jinja2", line 4, in top-level template code
    {% assets "js_plugins" %}<link rel="preload" as="script" href="{{ ASSET_URL }}">{% endassets %}
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/ext/jinja2.py", line 187, in _render_assets
    urls = bundle.urls(calculate_sri=True)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 833, in urls
    urls.extend(bundle._urls(new_ctx, extra_filters, *args, **kwargs))
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 768, in _urls
    *args, **kwargs)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 620, in _build
    force, disable_cache=disable_cache, extra_filters=extra_filters)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 505, in _merge_and_apply
    filters_to_pass_down, disable_cache=disable_cache)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/webassets.py", line 192, in _merge_and_apply
    disable_cache=disable_cache,
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/bundle.py", line 544, in _merge_and_apply
    kwargs=item_data)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 280, in apply
    return self._wrap_cache(key, func)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 259, in fixed_wrap_cache
    content = self.cache.get(key)
  File "/home/pi/oprint/lib/python3.7/site-packages/octoprint/server/util/flask.py", line 218, in fixed_get
    hash = make_md5(self.V, key)
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 84, in make_md5
    for d in walk(data):
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 61, in walk
    for d in walk(item): yield d
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/cache.py", line 67, in walk
    yield obj.data().encode('utf-8')
  File "/home/pi/oprint/lib/python3.7/site-packages/webassets/merge.py", line 80, in data
    return f.read()
  File "/home/pi/oprint/lib/python3.7/codecs.py", line 322, in decode
    (result, consumed) = self._buffer_decode(data, self.errors, final)
UnicodeDecodeError: 'utf-8' codec can't decode byte 0xe9 in position 940146: invalid continuation byte
2021-04-26 11:30:17,398 - tornado.access - ERROR - 500 GET / (::ffff:192.168.1.3) 176.70ms
2021-04-26 11:31:02,180 - octoprint.server.api.system - INFO - Performing command for core:shutdown: sudo shutdown -h now
2021-04-26 11:31:02,365 - octoprint.server - INFO - Shutting down...
2021-04-26 11:31:02,375 - octoprint.server.api.system - WARNING - Command for core:shutdown failed with return code -15:
! STDOUT: 
! STDERR: 
2021-04-26 11:31:02,803 - octoprint.events - INFO - Processing shutdown event, this will be our last event
2021-04-26 11:31:02,803 - octoprint.server - INFO - Calling on_shutdown on plugins
2021-04-26 11:31:03,670 - octoprint.events - INFO - Event loop shut down
2021-04-26 11:31:04,660 - octoprint.plugins.tracking - INFO - Sent tracking event shutdown, payload: {}
2021-04-26 11:31:04,661 - octoprint.plugins.HeaterTimeout - INFO - Shutting down...
2021-04-26 11:31:04,662 - octoprint.server - INFO - Goodbye!
2021-04-26 11:31:16,768 - octoprint.startup - INFO - ******************************************************************************
2021-04-26 11:31:16,771 - octoprint.startup - INFO - Starting OctoPrint 1.5.3
2021-04-26 11:31:16,775 - octoprint.startup - INFO - Starting in SAFE MODE. Third party plugins will be disabled!
2021-04-26 11:31:16,775 - octoprint.startup - INFO - Reason for safe mode: problem during last startup
2021-04-26 11:31:16,775 - octoprint.startup - INFO - ******************************************************************************
2021-04-26 11:31:23,214 - octoprint.util.connectivity.connectivity_checker - INFO - Connectivity state is currently: offline
2021-04-26 11:31:23,214 - octoprint.util.connectivity.connectivity_checker - INFO - Connecting to 8.8.8.8:53 is not working
2021-04-26 11:31:23,215 - octoprint.util.connectivity.connectivity_checker - INFO - Resolving octoprint.org is not working
2021-04-26 11:31:24,204 - octoprint.startup - INFO - We don't appear to be online, not fetching plugin blacklist
2021-04-26 11:31:24,302 - octoprint.plugin.core - INFO - Loading plugins from /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins, /home/pi/.octoprint/plugins and installed plugin packages...
2021-04-26 11:31:26,684 - octoprint.startup - INFO - Added settings overlay from plugin firmware_check
2021-04-26 11:31:26,686 - octoprint.plugin.core - INFO - Found 20 plugin(s) providing 17 mixin implementations, 34 hook handlers
2021-04-26 11:31:26,764 - octoprint.server.heartbeat - INFO - Starting server heartbeat, 900.0s interval
2021-04-26 11:31:26,818 - octoprint.server - INFO - Intermediary server started
2021-04-26 11:31:26,834 - octoprint.filemanager.storage - INFO - Initializing the file metadata for /home/pi/.octoprint/uploads...
2021-04-26 11:31:27,020 - octoprint.filemanager.storage - INFO - ... file metadata for /home/pi/.octoprint/uploads initialized successfully.
2021-04-26 11:31:27,023 - octoprint.server - INFO - Added new permission from plugin action_command_notification: PLUGIN_ACTION_COMMAND_NOTIFICATION_SHOW (needs: "Need(method='role', value='plugin_action_command_notification_show')")
2021-04-26 11:31:27,023 - octoprint.server - INFO - Added new permission from plugin action_command_notification: PLUGIN_ACTION_COMMAND_NOTIFICATION_CLEAR (needs: "Need(method='role', value='plugin_action_command_notification_clear')")
2021-04-26 11:31:27,023 - octoprint.server - INFO - Added new permission from plugin action_command_prompt: PLUGIN_ACTION_COMMAND_PROMPT_INTERACT (needs: "Need(method='role', value='plugin_action_command_prompt_interact')")
2021-04-26 11:31:27,023 - octoprint.server - INFO - Added new permission from plugin announcements: PLUGIN_ANNOUNCEMENTS_READ (needs: "Need(method='role', value='plugin_announcements_read')")
2021-04-26 11:31:27,024 - octoprint.server - INFO - Added new permission from plugin announcements: PLUGIN_ANNOUNCEMENTS_MANAGE (needs: "Need(method='role', value='plugin_announcements_read'), Need(method='role', value='plugin_announcements_manage')")
2021-04-26 11:31:27,024 - octoprint.server - INFO - Added new permission from plugin appkeys: PLUGIN_APPKEYS_ADMIN (needs: "Need(method='role', value='plugin_appkeys_admin')")
2021-04-26 11:31:27,024 - octoprint.server - INFO - Added new permission from plugin backup: PLUGIN_BACKUP_ACCESS (needs: "Need(method='role', value='plugin_backup_access')")
2021-04-26 11:31:27,025 - octoprint.server - INFO - Added new permission from plugin firmware_check: PLUGIN_FIRMWARE_CHECK_DISPLAY (needs: "Need(method='role', value='plugin_firmware_check_display')")
2021-04-26 11:31:27,025 - octoprint.server - INFO - Added new permission from plugin logging: PLUGIN_LOGGING_MANAGE (needs: "Need(method='role', value='plugin_logging_manage')")
2021-04-26 11:31:27,025 - octoprint.server - INFO - Added new permission from plugin pi_support: PLUGIN_PI_SUPPORT_STATUS (needs: "Need(method='role', value='plugin_pi_support_check')")
2021-04-26 11:31:27,026 - octoprint.server - INFO - Added new permission from plugin pluginmanager: PLUGIN_PLUGINMANAGER_MANAGE (needs: "Need(method='role', value='plugin_pluginmanager_manage')")
2021-04-26 11:31:27,026 - octoprint.server - INFO - Added new permission from plugin pluginmanager: PLUGIN_PLUGINMANAGER_INSTALL (needs: "Need(method='role', value='plugin_pluginmanager_install'), Need(method='role', value='plugin_pluginmanager_manage')")
2021-04-26 11:31:27,026 - octoprint.server - INFO - Added new permission from plugin softwareupdate: PLUGIN_SOFTWAREUPDATE_CHECK (needs: "Need(method='role', value='plugin_softwareupdate_check')")
2021-04-26 11:31:27,026 - octoprint.server - INFO - Added new permission from plugin softwareupdate: PLUGIN_SOFTWAREUPDATE_UPDATE (needs: "Need(method='role', value='plugin_softwareupdate_update')")
2021-04-26 11:31:27,027 - octoprint.server - INFO - Added new permission from plugin softwareupdate: PLUGIN_SOFTWAREUPDATE_CONFIGURE (needs: "Need(method='role', value='plugin_softwareupdate_configure')")
2021-04-26 11:31:31,178 - octoprint.util.pip - INFO - Using "/home/pi/oprint/bin/python3 -m pip" as command to invoke pip
2021-04-26 11:31:31,701 - octoprint.util.pip - INFO - Version of pip is 20.3.3
2021-04-26 11:31:31,703 - octoprint.util.pip - INFO - pip installs to /home/pi/oprint/lib/python3.7/site-packages (writable -> yes), --user flag needed -> no, virtual env -> yes
2021-04-26 11:31:31,703 - octoprint.util.pip - INFO - ==> pip ok -> yes
2021-04-26 11:31:31,811 - octoprint.plugins.softwareupdate - INFO - Loaded version cache from disk
2021-04-26 11:31:31,825 - octoprint.plugin.core - INFO - Initialized 17 plugin implementation(s)
2021-04-26 11:31:31,834 - octoprint.plugin.core - INFO - 20 plugin(s) registered with the system:
|  Action Command Notification Support (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/action_command_notification
|  Action Command Prompt Support (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/action_command_prompt
|  Announcement Plugin (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/announcements
|  Anonymous Usage Tracking (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/tracking
|  Application Keys Plugin (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/appkeys
|  Backup & Restore (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/backup
| !Bed Visualizer (1.0.1) = /home/pi/oprint/lib/python3.7/site-packages/octoprint_bedlevelvisualizer
|  Core Wizard (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/corewizard
|  Discovery (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/discovery
|  Error Tracking (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/errortracking
|  File Check (2021.2.23) (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint_file_check
|  Firmware Check (2021.2.4) (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint_firmware_check
|  GCode Viewer (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/gcodeviewer
| !HeaterTimeout (0.0.3) = /home/pi/oprint/lib/python3.7/site-packages/octoprint_HeaterTimeout
|  Logging (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/logging
|  Pi Support Plugin (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/pi_support
|  Plugin Manager (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/pluginmanager
|  Software Update (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/softwareupdate
| !Themeify (1.2.2) = /home/pi/oprint/lib/python3.7/site-packages/octoprint_themeify
|  Virtual Printer (bundled) = /home/pi/oprint/lib/python3.7/site-packages/octoprint/plugins/virtual_printer
Prefix legend: ! = disabled, # = blacklisted, * = incompatible
2021-04-26 11:31:31,934 - octoprint.environment - INFO - Detected environment is Python 3.7.3 under Linux (linux). Details:
|  hardware:
|      cores: 4
|      freq: 1500.0
|      ram: 3959300096
|  os:
|      bits: 32
|      id: linux
|      platform: linux
|  plugins:
|      pi_support:
|          model: Raspberry Pi 4 Model B Rev 1.2
|          octopi_version: 0.18.0
|          throttle_state: '0x0'
|  python:
|      pip: 20.3.3
|      version: 3.7.3
|      virtualenv: /home/pi/oprint
2021-04-26 11:31:31,959 - octoprint.server - INFO - Reset webasset folder /home/pi/.octoprint/generated/webassets...
2021-04-26 11:31:32,003 - octoprint.server - INFO - Reset webasset folder /home/pi/.octoprint/generated/.webassets-cache...
2021-04-26 11:31:34,543 - octoprint.server - INFO - Shutting down intermediary server...
2021-04-26 11:31:34,833 - octoprint.server - INFO - Intermediary server shut down
2021-04-26 11:31:34,835 - octoprint.events - INFO - Processing startup event, this is our first event
2021-04-26 11:31:34,836 - octoprint.events - INFO - Adding 1 events to queue that were held back before startup event
2021-04-26 11:31:34,836 - octoprint.filemanager - INFO - Adding backlog items from all storage types to analysis queue...
2021-04-26 11:31:34,842 - octoprint.server.util.watchdog - INFO - Running initial scan on watched folder...
2021-04-26 11:31:34,843 - octoprint.filemanager - INFO - Added 0 items from storage type "local" to analysis queue
2021-04-26 11:31:34,844 - octoprint.server.util.watchdog - INFO - ... initial scan done.
2021-04-26 11:31:35,653 - octoprint.plugins.discovery - INFO - Registered 'OctoPrint instance on octopi._http._tcp.local.' for _http._tcp.local.
2021-04-26 11:31:36,460 - octoprint.plugins.discovery - INFO - Registered 'OctoPrint instance on octopi._octoprint._tcp.local.' for _octoprint._tcp.local.
2021-04-26 11:31:36,472 - octoprint.plugins.discovery - INFO - Registered OctoPrint instance on octopi for SSDP
2021-04-26 11:31:36,483 - octoprint.server - INFO - Listening on http://127.0.0.1:5000
2021-04-26 11:31:36,580 - octoprint.plugins.pluginmanager - INFO - Loaded plugin repository data from disk, was still valid
2021-04-26 11:31:36,585 - tornado.access - WARNING - 404 POST /api/plugin/zbolt_octoscreen (127.0.0.1) 91.60ms
2021-04-26 11:31:36,656 - tornado.access - WARNING - 404 POST /api/plugin/zbolt_octoscreen (127.0.0.1) 41.98ms
2021-04-26 11:31:37,131 - octoprint.util.pip - INFO - Using "/home/pi/oprint/bin/python3 -m pip" as command to invoke pip
2021-04-26 11:31:37,137 - octoprint.util.pip - INFO - pip installs to /home/pi/oprint/lib/python3.7/site-packages (writable -> yes), --user flag needed -> no, virtual env -> yes
2021-04-26 11:31:37,147 - octoprint.util.pip - INFO - ==> pip ok -> yes
2021-04-26 11:31:37,240 - octoprint.plugins.softwareupdate - INFO - Minimum free storage across all update relevant locations is 11.2GB. That is considered sufficient for updating.
2021-04-26 11:31:37,241 - octoprint.plugins.softwareupdate - INFO - Not fetching check overlays, we are offline
2021-04-26 11:31:37,568 - octoprint.plugins.pluginmanager - INFO - Loaded notice data from disk, was still valid
2021-04-26 11:31:37,659 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:31:37,673 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:31:37,673 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:31:37,674 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:31:37,677 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:31:38,395 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:31:38,407 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:31:38,407 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:31:38,408 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:31:38,411 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:31:40,397 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:31:40,413 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:31:41,072 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:31:41,073 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:31:41,079 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:31:42,407 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 11:31:42,419 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 11:31:42,419 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 11:31:42,420 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 11:31:42,423 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 11:31:42,463 - octoprint.util.connectivity.connectivity_checker - INFO - Connectivity changed from offline to online
2021-04-26 11:31:42,508 - octoprint.plugins.pluginmanager - INFO - Loaded plugin repository data from disk, was still valid
2021-04-26 11:31:43,333 - octoprint.plugins.pluginmanager - INFO - Loaded notice data from disk, was still valid
2021-04-26 11:31:43,947 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 11:31:43,948 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 12:44:15,437 - octoprint.server.heartbeat - INFO - Server heartbeat <3
2021-04-26 12:44:18,657 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 12:44:19,334 - octoprint.util.pip - INFO - Using "/home/pi/oprint/bin/python3 -m pip" as command to invoke pip
2021-04-26 12:44:19,338 - octoprint.util.pip - INFO - pip installs to /home/pi/oprint/lib/python3.7/site-packages (writable -> yes), --user flag needed -> no, virtual env -> yes
2021-04-26 12:44:19,338 - octoprint.util.pip - INFO - ==> pip ok -> yes
2021-04-26 12:44:19,370 - octoprint.plugins.softwareupdate - INFO - Saved version cache to disk
2021-04-26 12:44:19,480 - octoprint.server.preemptive_cache - INFO - Preemptively caching / (ui _default) for {'base_url': 'http://octopi.local/', 'path': '/', 'query_string': 'l10n=en'}
2021-04-26 12:44:20,799 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 12:44:21,006 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 12:44:21,247 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 12:44:21,405 - octoprint.plugins.tracking - INFO - Sent tracking event ping, payload: {'octoprint_uptime': 22}
2021-04-26 12:44:21,584 - octoprint.plugins.tracking - INFO - Sent tracking event pong, payload: {'version': '1.5.3', 'os': 'linux', 'bits': 32, 'python': '3.7.3', 'pip': '20.3.3', 'cores': 4, 'freq': 1500.0, 'ram': 3959300096, 'pi_model': 'Raspberry Pi 4 Model B Rev 1.2', 'octopi_version': '0.18.0', 'plugins': ''}
2021-04-26 12:44:21,751 - octoprint.plugins.tracking - INFO - Sent tracking event startup, payload: {'version': '1.5.3', 'os': 'linux', 'bits': 32, 'python': '3.7.3', 'pip': '20.3.3', 'cores': 4, 'freq': 1500.0, 'ram': 3959300096, 'pi_model': 'Raspberry Pi 4 Model B Rev 1.2', 'octopi_version': '0.18.0'}
2021-04-26 12:44:35,944 - octoprint.server.preemptive_cache - INFO - ... done in 16.46s
2021-04-26 12:44:35,944 - octoprint.server.preemptive_cache - INFO - Preemptively caching / (ui _default) for {'base_url': 'http://192.168.1.11/', 'path': '/', 'query_string': 'l10n=en'}
2021-04-26 12:44:36,435 - octoprint.server.preemptive_cache - INFO - ... done in 0.49s
2021-04-26 12:44:36,686 - octoprint.server.util.sockjs - INFO - New connection from client: ::ffff:192.168.1.3
2021-04-26 12:44:36,724 - octoprint.server.util.flask - INFO - Passively logging in user Stef Geukens from ::ffff:192.168.1.3
2021-04-26 12:44:36,725 - octoprint.access.users - INFO - Logged in user: Stef Geukens
2021-04-26 12:44:43,108 - octoprint.server.util.sockjs - INFO - User Stef Geukens logged in on the socket from client ::ffff:192.168.1.3
2021-04-26 12:46:33,322 - tornado.access - WARNING - 404 POST /api/plugin/zbolt_octoscreen (127.0.0.1) 5.91ms
2021-04-26 12:46:33,332 - tornado.access - WARNING - 404 POST /api/plugin/zbolt_octoscreen (127.0.0.1) 5.59ms
2021-04-26 12:46:33,406 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 12:46:33,421 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 12:46:33,421 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 12:46:33,422 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 12:46:33,449 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 12:46:33,657 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 12:46:35,428 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 12:46:35,448 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 12:46:35,546 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 12:46:35,546 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 12:46:35,583 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 12:46:35,967 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 12:46:37,413 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 12:46:37,428 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 12:46:37,429 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 12:46:37,429 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 12:46:37,462 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 12:46:37,803 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 12:46:39,413 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 12:46:39,429 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 12:46:39,429 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 12:46:39,430 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 12:46:39,456 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 12:46:39,810 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 12:46:41,414 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 12:46:41,429 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 12:46:41,429 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 12:46:41,430 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 12:46:41,463 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 12:46:41,785 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 12:46:43,419 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 12:46:43,435 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 12:46:43,435 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 12:46:43,436 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 12:46:43,468 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 12:46:43,639 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 12:46:45,413 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 12:46:45,428 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 12:46:45,428 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 12:46:45,429 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 12:46:45,455 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 12:46:45,781 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 12:46:47,434 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 12:46:47,450 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 12:46:47,450 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 12:46:47,451 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 12:46:47,483 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 12:46:47,658 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 12:46:49,413 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 12:46:49,429 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 12:46:49,430 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 12:46:49,430 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 12:46:49,464 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 12:46:49,633 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}
2021-04-26 12:46:51,424 - octoprint.util.comm - INFO - Changing monitoring state from "Offline" to "Detecting serial connection"
2021-04-26 12:46:51,445 - octoprint.util.comm - INFO - Serial detection: Performing autodetection with 0 port/baudrate candidates: 
2021-04-26 12:46:51,446 - octoprint.util.comm - INFO - Changing monitoring state from "Detecting serial connection" to "Error: No more candidates to test, and no working port/baudrate combination detected."
2021-04-26 12:46:51,447 - octoprint.util.comm - INFO - Changing monitoring state from "Error: No more candidates to test, and no working port/baudrate combination detected." to "Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)"
2021-04-26 12:46:51,482 - octoprint.plugins.action_command_notification - INFO - Notifications cleared
2021-04-26 12:46:51,656 - octoprint.plugins.tracking - INFO - Sent tracking event commerror_autodetect, payload: {'commerror_text': 'No more candidates to test, and no working port/baudrate combination detected.'}