[2022-05-18 01:32:57.202 +02:00] [ERR] [20] Emby.Server.Implementations.ScheduledTasks.TaskManager: Error
System.MissingMethodException: Method not found: 'Void MediaBrowser.Controller.Entities.Folder.AddChild(MediaBrowser.Controller.Entities.BaseItem, System.Threading.CancellationToken)'.
   at Jellyfin.Plugin.Tvdb.Providers.TvdbMissingEpisodeProvider.AddVirtualEpisode(EpisodeRecord episode, Season season)
   at Jellyfin.Plugin.Tvdb.Providers.TvdbMissingEpisodeProvider.HandleSeason(Season season)
   at Jellyfin.Plugin.Tvdb.Providers.TvdbMissingEpisodeProvider.OnProviderManagerRefreshComplete(Object sender, GenericEventArgs`1 genericEventArgs)
   at MediaBrowser.Providers.Manager.ProviderManager.OnRefreshComplete(BaseItem item)
   at MediaBrowser.Controller.Entities.Folder.ValidateChildrenInternal(IProgress`1 progress, Boolean recursive, Boolean refreshChildMetadata, MetadataRefreshOptions refreshOptions, IDirectoryService directoryService, CancellationToken cancellationToken)
   at MediaBrowser.Controller.Entities.Folder.<>c__DisplayClass70_0`1.<<RunTasks>b__1>d.MoveNext()
--- End of stack trace from previous location ---
   at MediaBrowser.Controller.Entities.Folder.RunTasks[T](Func`3 task, IList`1 children, IProgress`1 progress, CancellationToken cancellationToken)
   at MediaBrowser.Controller.Entities.Folder.ValidateChildrenInternal2(IProgress`1 progress, Boolean recursive, Boolean refreshChildMetadata, MetadataRefreshOptions refreshOptions, IDirectoryService directoryService, CancellationToken cancellationToken)
   at MediaBrowser.Controller.Entities.Folder.ValidateChildrenInternal(IProgress`1 progress, Boolean recursive, Boolean refreshChildMetadata, MetadataRefreshOptions refreshOptions, IDirectoryService directoryService, CancellationToken cancellationToken)
   at MediaBrowser.Controller.Entities.Folder.<>c__DisplayClass70_0`1.<<RunTasks>b__1>d.MoveNext()
--- End of stack trace from previous location ---
   at MediaBrowser.Controller.Entities.Folder.RunTasks[T](Func`3 task, IList`1 children, IProgress`1 progress, CancellationToken cancellationToken)
   at MediaBrowser.Controller.Entities.Folder.ValidateChildrenInternal2(IProgress`1 progress, Boolean recursive, Boolean refreshChildMetadata, MetadataRefreshOptions refreshOptions, IDirectoryService directoryService, CancellationToken cancellationToken)
   at MediaBrowser.Controller.Entities.Folder.ValidateChildrenInternal(IProgress`1 progress, Boolean recursive, Boolean refreshChildMetadata, MetadataRefreshOptions refreshOptions, IDirectoryService directoryService, CancellationToken cancellationToken)
   at MediaBrowser.Controller.Entities.Folder.<>c__DisplayClass70_0`1.<<RunTasks>b__1>d.MoveNext()
--- End of stack trace from previous location ---
   at MediaBrowser.Controller.Entities.Folder.RunTasks[T](Func`3 task, IList`1 children, IProgress`1 progress, CancellationToken cancellationToken)
   at MediaBrowser.Controller.Entities.Folder.ValidateChildrenInternal2(IProgress`1 progress, Boolean recursive, Boolean refreshChildMetadata, MetadataRefreshOptions refreshOptions, IDirectoryService directoryService, CancellationToken cancellationToken)
   at MediaBrowser.Controller.Entities.Folder.ValidateChildrenInternal(IProgress`1 progress, Boolean recursive, Boolean refreshChildMetadata, MetadataRefreshOptions refreshOptions, IDirectoryService directoryService, CancellationToken cancellationToken)
   at MediaBrowser.Controller.Entities.AggregateFolder.ValidateChildrenInternal(IProgress`1 progress, Boolean recursive, Boolean refreshChildMetadata, MetadataRefreshOptions refreshOptions, IDirectoryService directoryService, CancellationToken cancellationToken)
   at Emby.Server.Implementations.Library.LibraryManager.PerformLibraryValidation(IProgress`1 progress, CancellationToken cancellationToken)
   at Emby.Server.Implementations.Library.LibraryManager.ValidateMediaLibraryInternal(IProgress`1 progress, CancellationToken cancellationToken)
   at Emby.Server.Implementations.ScheduledTasks.ScheduledTaskWorker.ExecuteInternal(TaskOptions options)