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[Issue]: unstable - Some plugins won't load (Status: NotSupported) #3616

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opened 2026-02-06 23:38:12 +03:00 by OVERLORD · 2 comments
OVERLORD commented 2026-02-06 23:38:12 +03:00
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Originally created by @dirtball-official on GitHub (Feb 23, 2022).

Please describe your bug

After update (20220221.10), some plugins suddenly state "NotSupported". Logs say:

Method 'ExecuteAsync' in type 'Jellyfin.Plugin.TMDbBoxSets.ScheduledTasks.RefreshLibraryTask' from assembly 'Jellyfin.Plugin.TMDbBoxSets, Version=9.0.0.0, Culture=neutral, PublicKeyToken=null' does not have an implementation.

Please advise.
Thanks!!

Jellyfin Version

Other

if other:

20220221.10-unstable

Environment

- OS: Ubuntu 20.04.4 LTS
- Virtualization: Proxmox (LXC)

Jellyfin logs

Feb 22 18:13:38 jellyfin systemd[1]: Started Jellyfin Media Server.
Feb 22 18:13:39 jellyfin jellyfin[8929]: [18:13:39] [ERR] Failed to load assembly /var/lib/jellyfin/plugins/Kodi Sync Queue_7.0.0.0/Jellyfin.Plugin.KodiSyncQueue.dll. This error occurs when a plugin references an incompatible version of one of the shared libraries. Disabling plugin.
Feb 22 18:13:39 jellyfin jellyfin[8929]: System.Reflection.ReflectionTypeLoadException: Unable to load one or more of the requested types.
Feb 22 18:13:39 jellyfin jellyfin[8929]: Method 'ExecuteAsync' in type 'Jellyfin.Plugin.KodiSyncQueue.ScheduledTasks.RetentionTask' from assembly 'Jellyfin.Plugin.KodiSyncQueue, Version=7.0.0.0, Culture=neutral, PublicKeyToken=null' does not have an implementation.
Feb 22 18:13:39 jellyfin jellyfin[8929]:    at System.Reflection.RuntimeModule.GetTypes(RuntimeModule module)
Feb 22 18:13:39 jellyfin jellyfin[8929]:    at System.Reflection.Assembly.GetTypes()
Feb 22 18:13:39 jellyfin jellyfin[8929]:    at Emby.Server.Implementations.Plugins.PluginManager.LoadAssemblies()+MoveNext()
Feb 22 18:13:39 jellyfin jellyfin[8929]: System.TypeLoadException: Method 'ExecuteAsync' in type 'Jellyfin.Plugin.KodiSyncQueue.ScheduledTasks.RetentionTask' from assembly 'Jellyfin.Plugin.KodiSyncQueue, Version=7.0.0.0, Culture=neutral, PublicKeyToken=null' does not have an implementation.
Feb 22 18:13:39 jellyfin jellyfin[8929]: [18:13:39] [ERR] Failed to load assembly /var/lib/jellyfin/plugins/TMDb Box Sets_9.0.0.0/Jellyfin.Plugin.TMDbBoxSets.dll. This error occurs when a plugin references an incompatible version of one of the shared libraries. Disabling plugin.
Feb 22 18:13:39 jellyfin jellyfin[8929]: System.Reflection.ReflectionTypeLoadException: Unable to load one or more of the requested types.
Feb 22 18:13:39 jellyfin jellyfin[8929]: Method 'ExecuteAsync' in type 'Jellyfin.Plugin.TMDbBoxSets.ScheduledTasks.RefreshLibraryTask' from assembly 'Jellyfin.Plugin.TMDbBoxSets, Version=9.0.0.0, Culture=neutral, PublicKeyToken=null' does not have an implementation.
Feb 22 18:13:39 jellyfin jellyfin[8929]:    at System.Reflection.RuntimeModule.GetTypes(RuntimeModule module)
Feb 22 18:13:39 jellyfin jellyfin[8929]:    at System.Reflection.Assembly.GetTypes()
Feb 22 18:13:39 jellyfin jellyfin[8929]:    at Emby.Server.Implementations.Plugins.PluginManager.LoadAssemblies()+MoveNext()
Feb 22 18:13:39 jellyfin jellyfin[8929]: System.TypeLoadException: Method 'ExecuteAsync' in type 'Jellyfin.Plugin.TMDbBoxSets.ScheduledTasks.RefreshLibraryTask' from assembly 'Jellyfin.Plugin.TMDbBoxSets, Version=9.0.0.0, Culture=neutral, PublicKeyToken=null' does not have an implementation.

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Code of Conduct

  • I agree to follow this project's Code of Conduct
Originally created by @dirtball-official on GitHub (Feb 23, 2022). ### Please describe your bug After update (20220221.10), some plugins suddenly state "NotSupported". Logs say: Method 'ExecuteAsync' in type 'Jellyfin.Plugin.TMDbBoxSets.ScheduledTasks.RefreshLibraryTask' from assembly 'Jellyfin.Plugin.TMDbBoxSets, Version=9.0.0.0, Culture=neutral, PublicKeyToken=null' does not have an implementation. Please advise. Thanks!! ### Jellyfin Version Other ### if other: 20220221.10-unstable ### Environment ```markdown - OS: Ubuntu 20.04.4 LTS - Virtualization: Proxmox (LXC) ``` ### Jellyfin logs ```shell Feb 22 18:13:38 jellyfin systemd[1]: Started Jellyfin Media Server. Feb 22 18:13:39 jellyfin jellyfin[8929]: [18:13:39] [ERR] Failed to load assembly /var/lib/jellyfin/plugins/Kodi Sync Queue_7.0.0.0/Jellyfin.Plugin.KodiSyncQueue.dll. This error occurs when a plugin references an incompatible version of one of the shared libraries. Disabling plugin. Feb 22 18:13:39 jellyfin jellyfin[8929]: System.Reflection.ReflectionTypeLoadException: Unable to load one or more of the requested types. Feb 22 18:13:39 jellyfin jellyfin[8929]: Method 'ExecuteAsync' in type 'Jellyfin.Plugin.KodiSyncQueue.ScheduledTasks.RetentionTask' from assembly 'Jellyfin.Plugin.KodiSyncQueue, Version=7.0.0.0, Culture=neutral, PublicKeyToken=null' does not have an implementation. Feb 22 18:13:39 jellyfin jellyfin[8929]: at System.Reflection.RuntimeModule.GetTypes(RuntimeModule module) Feb 22 18:13:39 jellyfin jellyfin[8929]: at System.Reflection.Assembly.GetTypes() Feb 22 18:13:39 jellyfin jellyfin[8929]: at Emby.Server.Implementations.Plugins.PluginManager.LoadAssemblies()+MoveNext() Feb 22 18:13:39 jellyfin jellyfin[8929]: System.TypeLoadException: Method 'ExecuteAsync' in type 'Jellyfin.Plugin.KodiSyncQueue.ScheduledTasks.RetentionTask' from assembly 'Jellyfin.Plugin.KodiSyncQueue, Version=7.0.0.0, Culture=neutral, PublicKeyToken=null' does not have an implementation. Feb 22 18:13:39 jellyfin jellyfin[8929]: [18:13:39] [ERR] Failed to load assembly /var/lib/jellyfin/plugins/TMDb Box Sets_9.0.0.0/Jellyfin.Plugin.TMDbBoxSets.dll. This error occurs when a plugin references an incompatible version of one of the shared libraries. Disabling plugin. Feb 22 18:13:39 jellyfin jellyfin[8929]: System.Reflection.ReflectionTypeLoadException: Unable to load one or more of the requested types. Feb 22 18:13:39 jellyfin jellyfin[8929]: Method 'ExecuteAsync' in type 'Jellyfin.Plugin.TMDbBoxSets.ScheduledTasks.RefreshLibraryTask' from assembly 'Jellyfin.Plugin.TMDbBoxSets, Version=9.0.0.0, Culture=neutral, PublicKeyToken=null' does not have an implementation. Feb 22 18:13:39 jellyfin jellyfin[8929]: at System.Reflection.RuntimeModule.GetTypes(RuntimeModule module) Feb 22 18:13:39 jellyfin jellyfin[8929]: at System.Reflection.Assembly.GetTypes() Feb 22 18:13:39 jellyfin jellyfin[8929]: at Emby.Server.Implementations.Plugins.PluginManager.LoadAssemblies()+MoveNext() Feb 22 18:13:39 jellyfin jellyfin[8929]: System.TypeLoadException: Method 'ExecuteAsync' in type 'Jellyfin.Plugin.TMDbBoxSets.ScheduledTasks.RefreshLibraryTask' from assembly 'Jellyfin.Plugin.TMDbBoxSets, Version=9.0.0.0, Culture=neutral, PublicKeyToken=null' does not have an implementation. ``` ### FFmpeg logs _No response_ ### Please attach any browser or client logs here _No response_ ### Please attach any screenshots here ![image](https://user-images.githubusercontent.com/8997460/155238527-032f11e9-180b-4261-9316-a110740309c2.png) ### Code of Conduct - [X] I agree to follow this project's Code of Conduct
OVERLORD added the bug label 2026-02-06 23:38:12 +03:00
OVERLORD commented 2026-02-06 23:38:18 +03:00
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@crobibero commented on GitHub (Feb 23, 2022):

Plugins don't target unstable. This will be fixed when the next Jellyfin version is released.

@crobibero commented on GitHub (Feb 23, 2022): Plugins don't target unstable. This will be fixed when the next Jellyfin version is released.
OVERLORD commented 2026-02-06 23:38:19 +03:00
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@SigHunter commented on GitHub (Feb 23, 2022):

Plugins don't target unstable. This will be fixed when the next Jellyfin version is released.

so running unstable generally does not guarantee plugins will work and if they worked until now it was by luck?

@SigHunter commented on GitHub (Feb 23, 2022): > Plugins don't target unstable. This will be fixed when the next Jellyfin version is released. so running unstable generally does not guarantee plugins will work and if they worked until now it was by luck?
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Reference: starred/jellyfin#3616
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