What is the problem?
I have not been able to backup for several months.
What did you already try to solve it?
I was able to do little because I don't understand the error and I don't know where to intervene.
Complete Logs
2020-09-10 08:50:23,344 - octoprint.plugins.backup - INFO - Creating backup zip at /home/pi/.octoprint/data/backup/.octoprint-backup-20200910-085023.zip (excluded: -)...
2020-09-10 08:50:23,376 - octoprint.plugins.backup - ERROR - Error while creating backup zip
Traceback (most recent call last):
File "/home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/backup/init.py", line 720, in _create_backup
ignored=[own_folder,])
File "/home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/backup/init.py", line 701, in add_to_zip
add_to_zip(entry.path, os.path.join(target, entry.name), ignored=ignored)
File "/home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/backup/init.py", line 701, in add_to_zip
add_to_zip(entry.path, os.path.join(target, entry.name), ignored=ignored)
File "/home/pi/oprint/lib/python2.7/site-packages/octoprint/plugins/backup/init.py", line 703, in add_to_zip
zip.write(source, arcname=target)
File "/usr/lib/python2.7/zipfile.py", line 1158, in write
zinfo = ZipInfo(arcname, date_time)
File "/usr/lib/python2.7/zipfile.py", line 328, in init
raise ValueError('ZIP does not support timestamps before 1980')
ValueError: ZIP does not support timestamps before 1980
Additional information about your setup
2020-09-10 07:17:20,392 - octoprint.environment - INFO - Detected environment is Python 2.7.16 under Linux (linux2). Details:
| hardware:
| cores: 4
| freq: 1500.0
| ram: 4041732096
| os:
| id: linux
| platform: linux2
| plugins:
| pi_support:
| model: Raspberry Pi 4 Model B Rev 1.2
| octopi_version: 0.17.0
| python:
| pip: 19.3.1
| version: 2.7.16
| virtualenv: /home/pi/oprint