Docker issue after latest upgrade

[Brian B]

I have not changed anything, just upgraded to latest and get restarting issue over and over. Here is logs:

Unhandled exception. System.InvalidOperationException: Expected to find only .jellyfin-data but found marker for /config/.jellyfin-plugin.
  at Emby.Server.Implementations.AppBase.BaseApplicationPaths.CheckOrCreateMarker(String path, String markerName, Boolean recursive)
  at Emby.Server.Implementations.AppBase.BaseApplicationPaths.CreateAndCheckMarker(String path, String markerName, Boolean recursive)
  at Emby.Server.Implementations.AppBase.BaseApplicationPaths.MakeSanityCheckOrThrow()
  at Emby.Server.Implementations.ServerApplicationPaths.MakeSanityCheckOrThrow()
  at Jellyfin.Server.Program.StartApp(StartupOptions options)
  at Jellyfin.Server.Program.<Main>(String[] args)