Jellyfin not starting up after upgrading to 10.9.0

[riddertommie]

Same here, using Docker (linuxserver/jellyfin:latest) After yesterday update 10.9 no contact possible with jellyfin server. Normaly I wait for 1 or 2 days to see if tere is a update. This morning there was 10.9.1 but after updating stil no contact with server. I have 1 none related err in the log (i think).

[10:06:33] [ERR] [1] Emby.Server.Implementations.Plugins.PluginManager: Failed to load assembly /config/data/plugins/Merge Versions_10.8.0.2/Jellyfin.Plugin.MergeVersions.dll. This error occurs when a plugin references an incompatible version of one of the shared libraries. Disabling plugin

and some warnings

[10:06:46] [WRN] [1] Microsoft.AspNetCore.DataProtection.Repositories.EphemeralXmlRepository: Using an in-memory repository. Keys will not be persisted to storage.
[10:06:46] [WRN] [1] Microsoft.AspNetCore.DataProtection.KeyManagement.XmlKeyManager: Neither user profile nor HKLM registry available. Using an ephemeral key repository. Protected data will be unavailable when application exits.
[10:06:46] [WRN] [1] Microsoft.AspNetCore.DataProtection.KeyManagement.XmlKeyManager: No XML encryptor configured. Key {42e09655-9daf-4a43-8afa-5a1979905d56} may be persisted to storage in unencrypted form.
[10:06:49] [WRN] [1] Microsoft.AspNetCore.StaticFiles.StaticFileMiddleware: The WebRootPath was not found: /run/s6-rc:s6-rc-init:EigKGL/servicedirs/svc-jellyfin/wwwroot. Static files may be unavailable.

Don't know what to do here, any help welcome.