Dec 22, 2018 13:54:12.185 [0x14d319dfc700] ERROR - SQLITE3:0x10, 11, database corruption at line 51210 of [fc49f556e4]
What else is new. Plex is a P.O.S., and since this happened on Saturday after LSIO's weekly updates to the latest and greatest and bug-ridden Plex you've probably been hit with one of the numerous issues on Plex. I'd suggest reverting the Plex app to :158 (edit the container, and add :158 in the repository line), and also hit up the Plex forums for advice.