I’m still looking but I’m fairly certain you have not done a full plex dance …
Dec 07, 2025 12:48:56.457 [125415314099000] DEBUG - Activity: updated activity cf97ebb1-b188-4690-b5bf-5aba21aa0d6a - completed 2.5% - Scanning TV Shows
Dec 07, 2025 12:48:56.457 [125415314099000] DEBUG - Scanner: Processing directory /mnt/library/Animated Shows/Super Friends {tmdb-936}/Season 01 (parent: yes)
Dec 07, 2025 12:48:56.458 [125415314099000] DEBUG - Directory had 16 files, database had 0 files, can't skip.
Dec 07, 2025 12:48:56.659 [125415301073720] ERROR - [MetadataAgent/tv.plex.metadata.agents] Match request for 'Super Friends {Tmdb 936}' returned no metadata
Notice the Super Friends {Tmdb 936} reference. I suspect this is old bad data in your db and the dance will clean that up.
EDIT: Unrelated but you also have these errors:
Dec 07, 2025 12:49:08.442 [125415314099000] DEBUG - Scanner: Processing directory /mnt/library/Movies/Inception (2010) (parent: yes)
Dec 07, 2025 12:49:08.442 [125415314099000] ERROR - Couldn't get size of file "/mnt/library/Movies/Inception (2010)/Inception (2010).mkv": boost::filesystem::file_size: No such file or directory [system:2]: "/mnt/library/Movies/Inception (2010)/Inception (2010).mkv"
Dec 07, 2025 12:49:08.442 [125415314099000] DEBUG - Skipping over directory 'Inception (2010)', as nothing has changed; removing 0 media items from map.
...
Dec 07, 2025 12:49:09.337 [125415314099000] DEBUG - Scanner: Processing directory /mnt/library/TV Shows/Mad Men/Season 02 (parent: yes)
Dec 07, 2025 12:49:09.338 [125415314099000] ERROR - Couldn't get size of file "/mnt/library/TV Shows/Mad Men/Season 02/Mad Men - S02E06 - Maidenform.mkv": boost::filesystem::file_size: No such file or directory [system:2]: "/mnt/library/TV Shows/Mad Men/Season 02/Mad Men - S02E06 - Maidenform.mkv"
Dec 07, 2025 12:49:09.339 [125415314099000] DEBUG - Skipping over directory 'Mad Men/Season 02', as nothing has changed; removing 12 media items from map.
Dec 07, 2025 12:49:09.340 [125415314099000] DEBUG - Activity: updated activity f6ff2623-2a50-469d-9ac6-2f16130f7500 - completed 60.9% - Scanning TV Shows
The boost::filesystem::file_size: typically means plex cannot access the files.
