-10-16 05:56:34.783 +02:00] [ERR] [12] Jellyfin.Server.Implementations.Users.UserManager: Error authenticating with provider "Default"
MediaBrowser.Controller.Authentication.AuthenticationException: Specified user does not exist.
   at Jellyfin.Server.Implementations.Users.DefaultAuthenticationProvider.Authenticate(String username, String password, User resolvedUser)
   at Jellyfin.Server.Implementations.Users.UserManager.AuthenticateWithProvider(IAuthenticationProvider provider, String username, String password, User resolvedUser)
[2023-10-16 05:56:34.785 +02:00] [INF] [12] Jellyfin.Server.Implementations.Users.UserManager: Authentication request for "nickname " has been denied (IP: "XXX.XXX.XXX.XXX").
[2023-10-16 05:56:34.786 +02:00] [ERR] [12] Jellyfin.Server.Middleware.ExceptionMiddleware: Error processing request: "Invalid username or password entered". URL "POST" "/Users/authenticatebyname".
[2023-10-16 05:57:40.176 +02:00] [WRN] [63] Emby.Server.Implementations.HttpServer.WebSocketConnection: WS "XXX.XXX.XXX.XXX" error receiving data: "The remote party closed the WebSocket connection without completing the close handshake."
[2023-10-16 05:57:40.178 +02:00] [INF] [63] Emby.Server.Implementations.HttpServer.WebSocketManager: WS "XXX.XXX.XXX.XXX" closed
[2023-10-16 05:58:03.921 +02:00] [INF] [76] Emby.Server.Implementations.HttpServer.WebSocketManager: WS "XXX.XXX.XXX.XXX" request