Perhaps it’s not advisory to do this? Added the folder back manually but the error remains. Also, have not done any permission changes in my Plex installation whatsoever.
If I wanted to redo all music analysis processing from scratch (a complete do-over of all the files in my music library), what would be the best way to achieve this? I’m out of other options right now, it seems.
if you were feeling brave you could try renaming it to see if that fixes the issue. if so, let us know and we can see if the issue can be fixed in the server side.
Renaming the user profile seemed to solve my problem. The building indices were built correctly after that and now I can see sonically similiar artists, albums and tracks.