The dump shows the crash within Scheduled Tasks Loudness Analysis for a music album
This will be fixed in Plex Media Server 1.30.2 and occurs if the database has an entry missing for the album in one of the tables
If you send me a zip of the the database (download through Plex Web Settings / Server / Troubleshooting / Download Database, I can identify the music tracks causing the problem and you can then remove and add by going through the steps here Plex Dance
