Server Version#: 1.20.3.3437
Player Version#: 1.18.0.1913 and Web version
My UNRAID CACHE drive died and since then my PLEX server is not working correctly.
All my libraries seem to have gone or at least are not linked, the a-f folders are there, but if I try to re-add or reconstruct the libraries I just get a failure that states
"There was an unexpected error
Please visit our forums if you continue to experience problems"
Are you not backing up your appdata folder or running a protected cache pool? You probably have to remove all the old data and rebuild from scratch if you don’t have a backup to restore from.