Android TV no longer connects

[Swarfega]

I'm not sure what's triggered this but my Android TV no longer connects to my Jellyfin server. I have various LG TV's and an Android Phone which all work fine. Jellyfin sits behind Caddy.

Logs are as follows:

Code:

:34:07.110 +00:00] [WRN] [52] Emby.Server.Implementations.HttpServer.WebSocketConnection: WS "192.168.44.1" error receiving data: "The remote party closed the WebSocket connection without completing the close handshake."
[2025-02-09 19:34:07.111 +00:00] [WRN] [17] Emby.Server.Implementations.HttpServer.WebSocketConnection: WS "192.168.44.1" error receiving data: "The remote party closed the WebSocket connection without completing the close handshake."
[2025-02-09 19:34:07.114 +00:00] [INF] [52] Emby.Server.Implementations.HttpServer.WebSocketManager: WS "192.168.44.1" closed
[2025-02-09 19:34:07.120 +00:00] [ERR] [45] Jellyfin.Api.WebSocketListeners.SessionInfoWebSocketListener: Error sending web socket message Sessions
System.Net.WebSockets.WebSocketException (0x80004005): The WebSocket is in an invalid state ('Aborted') for this operation. Valid states are: 'Open, CloseReceived'
  at System.Net.WebSockets.ManagedWebSocket.SendAsync(ReadOnlyMemory`1 buffer, WebSocketMessageType messageType, WebSocketMessageFlags messageFlags, CancellationToken cancellationToken)
--- End of stack trace from previous location ---
  at MediaBrowser.Controller.Net.BasePeriodicWebSocketListener`2.SendDataInternal(TReturnDataType data, ValueTuple`3 tuple)
[2025-02-09 19:34:07.265 +00:00] [INF] [17] Emby.Server.Implementations.HttpServer.WebSocketManager: WS "192.168.44.1" closed
[2025-02-09 19:34:09.413 +00:00] [INF] [17] Emby.Server.Implementations.HttpServer.WebSocketManager: WS "192.168.44.1" request

Version 0.18.4 client
10.10.5 of Jellyfin
Any ideas?