New library is listed but not scanned

Permissions.

Aug 06, 2025 08:26:16.007 [139819977181840] DEBUG - MyPlex: using cached data for request for https://plex.tv/api/v2/server/users?auth_token=xxxxxxxxxxxxxxxxxxxx
Aug 06, 2025 08:26:16.008 [139819977181840] DEBUG - MyPlex: using cached data for request for https://plex.tv/api/v2/server/users/subscriptions?auth_token=xxxxxxxxxxxxxxxxxxxx
Aug 06, 2025 08:26:16.008 [139819908819768] ERROR - Couldn't check for the existence of file "/media/dellserver/Toshiba2T/.grab": boost::filesystem::status: Permission denied [system:13]: "/media/dellserver/Toshiba2T/.grab"
Aug 06, 2025 08:26:16.008 [139819977181840] DEBUG - MyPlex: using cached data for request for https://plex.tv/api/v2/server/users/services?auth_token=xxxxxxxxxxxxxxxxxxxx
Aug 06, 2025 08:26:16.009 [139819908819768] DEBUG - Grabber: Cleaned up 0 decrepit directories in 0.0 sec.

Don’t put things in /media unless you have a FSTAB mount for it.