When clicking on the wrench, the settings don't open anymore
What did you already try to solve it?
Restarted the rasperry
Tried another browser (Edge, Chrome)
Tried on another computer (Edge, Chrome)
Emptied browser caches
Checked if popups are allowed, even though it's a modal
Started in safe mode
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Additional information about your setup (OctoPrint version, OctoPi version, printer, firmware, octoprint.log, serial.log or output on terminal tab, ...)