On my PC or android phone using the official apps I cannot watch videos, explore libraries or even access the admin dashboard.

In the phone app if I try to play a tv show the next episode in the series is shown in Next Up with nothing playing but on my desktop I’ll get the episode’s thumbnail but nothing plays.

Everything works through the web UI.

In the server logs I do see this:

System.InvalidCastException: Unable to cast object of type 'System.Guid' to type 'System.String'.
   at lambda_method1343(Closure, Object, Object)
   at LiteDB.BsonMapper.DeserializeObject(EntityMapper entity, Object obj, BsonDocument value)
   at LiteDB.BsonMapper.Deserialize(Type type, BsonValue value)
   at LiteDB.LiteQueryable`1.<ToEnumerable>b__27_2(BsonDocument x)
   at System.Linq.Enumerable.SelectEnumerableIterator`2.ToList()
   at Jellyfin.Plugin.KodiSyncQueue.Data.DbRepo.SetUserInfoSync(List`1 dtos, List`1 itemRefs, String userId)
   at Jellyfin.Plugin.KodiSyncQueue.EntryPoints.UserSyncNotification.SaveUserChanges(List`1 dtos, List`1 itemRefs, String userName, String userId)
   at Jellyfin.Plugin.KodiSyncQueue.EntryPoints.UserSyncNotification.SendNotifications(IEnumerable`1 changes, List`1 itemRefs, CancellationToken cancellationToken)
   at Jellyfin.Plugin.KodiSyncQueue.EntryPoints.UserSyncNotification.UpdateTimerCallback(Object state)
[2025-01-24 20:14:03.427 +00:00] [INF] [11] Emby.Server.Implementations.Session.SessionManager: Playback stopped reported by app "Jellyfin Media Player" "1.11.1" playing "This Room is NOT Omega". Stopped at "3886233" ms
[2025-01-24 20:14:03.932 +00:00] [INF] [44] Jellyfin.Plugin.KodiSyncQueue.EntryPoints.UserSyncNotification: Started user data sync
[2025-01-24 20:14:03.981 +00:00] [ERR] [44] Jellyfin.Plugin.KodiSyncQueue.EntryPoints.UserSyncNotification: An error has occurred in UserUpdateTimerCallback

I did try uninstalling Kodi Sync Queue and logging out and back in which helped on my PC but not on my phone.