Internal Server Error after upgrade to Nextcloud 13

[Bernie_O]

I am not sure, but maybe this helps:

Display issues after upgrade to NC 13.0.0

Issue in NC 13.0.0 (it will be fixed in 13.0.1), related github-issue -> https://github.com/nextcloud/server/issues/8043 Symptoms: White screen on web-interface (except for the navigation elements), other display issues with web-interface (also when individual themings are used). Workaround: Delete the CSS and js cache on your server, run these commands in your nextcloud folder via terminal: rm -r data/appdata_*/css/* data/appdata_*/js/* occ files:scan-app-data reload the page Remark: If the…