Sorry, then I was misled.
Unfortunately your logs are almost useless, because you don’t have debug logging in the server settings activated.
I recommend you to use this .bat file to perform a thorough repair of your database: GitHub - ChuckPa/PlexDBRepair: Database repair utility for Plex Media Server databases
Then try to update again, but let it sit this time. If your collection is very large, the database upgrade may take several hours. See: Plex Media Server - #623 by gbooker02