6 hours ago
Look to be having a similar issue:
[2025-11-28 15:44:56.739 +11:00] [INF] [86] Jellyfin.Plugin.KodiSyncQueue.EntryPoints.LibrarySyncNotification: Started library sync
[2025-11-28 15:44:56.748 +11:00] [FTL] [74] Main: Unhandled Exception
System.MissingMethodException: Method not found: 'System.Collections.Generic.List`1<MediaBrowser.Controller.Entities.BaseItem> MediaBrowser.Controller.Library.ILibraryManager.GetItemList(MediaBrowser.Controller.Entities.InternalItemsQuery)'.
at Jellyfin.Plugin.TMDbBoxSets.TMDbBoxSetManager.GetAllBoxSetsFromLibrary()
at Jellyfin.Plugin.TMDbBoxSets.TMDbBoxSetManager.OnTimerElapsed()
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
--- End of stack trace from previous location ---
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
at System.Threading.TimerQueueTimer.Fire(Boolean isThreadPool)
at System.Threading.TimerQueue.FireNextTimers()
at System.Threading.ThreadPoolWorkQueue.Dispatch()
at System.Threading.PortableThreadPool.WorkerThread.WorkerThreadStart()
Did you get anywhere with it?
[2025-11-28 15:44:56.739 +11:00] [INF] [86] Jellyfin.Plugin.KodiSyncQueue.EntryPoints.LibrarySyncNotification: Started library sync
[2025-11-28 15:44:56.748 +11:00] [FTL] [74] Main: Unhandled Exception
System.MissingMethodException: Method not found: 'System.Collections.Generic.List`1<MediaBrowser.Controller.Entities.BaseItem> MediaBrowser.Controller.Library.ILibraryManager.GetItemList(MediaBrowser.Controller.Entities.InternalItemsQuery)'.
at Jellyfin.Plugin.TMDbBoxSets.TMDbBoxSetManager.GetAllBoxSetsFromLibrary()
at Jellyfin.Plugin.TMDbBoxSets.TMDbBoxSetManager.OnTimerElapsed()
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
--- End of stack trace from previous location ---
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
at System.Threading.TimerQueueTimer.Fire(Boolean isThreadPool)
at System.Threading.TimerQueue.FireNextTimers()
at System.Threading.ThreadPoolWorkQueue.Dispatch()
at System.Threading.PortableThreadPool.WorkerThread.WorkerThreadStart()
Did you get anywhere with it?

