This usually happens at least once a day, sometimes multiple times a day. Plex, on all devices (AppleTV, Chrome, Safari, iOS, will not show any of my media. all that I see is the Plex provided movies and shows.
if I go to the server (Debian 10 VM on Proxmox) and run systemctl status plexmediaserver.service it shows the service running with no errors. The only fix is to run ‘systemctl restart plexmediaserver.service’
These are from today, I got them from Plex Web>Settings>Troubleshooting> Download Logs. They are only the most recent. Here is the whole folder it downloaded