ERROR SocketManager: The operation couldn’t be completed. (xxxx.EngineError error 0.)

[ZeMingXianSheng]

LOG SocketIOClient{/}: Handling event: statusChange with data: [connecting, 2]
2024-10-17 17:34:20.958637+0800 UENUTSRequest[272:8051] LOG SocketIOClient{/}: Joining namespace /
2024-10-17 17:34:20.958978+0800 UENUTSRequest[272:8051] LOG SocketManager: Tried connecting socket when engine isn't open. Connecting
2024-10-17 17:34:20.959277+0800 UENUTSRequest[272:8051] LOG SocketManager: Adding engine
2024-10-17 17:34:20.961142+0800 UENUTSRequest[272:8051] LOG SocketIOClient{/}: Adding handler for event: connect
2024-10-17 17:34:20.961593+0800 UENUTSRequest[272:8051] LOG SocketIOClient{/}: Adding handler for event: chat
2024-10-17 17:34:20.961648+0800 UENUTSRequest[272:8819] LOG SocketEngine: Starting engine. Server: ws://xxx.xxx.com
2024-10-17 17:34:20.961884+0800 UENUTSRequest[272:8051] LOG SocketIOClient{/}: Adding handler for event: error
2024-10-17 17:34:20.961911+0800 UENUTSRequest[272:8819] LOG SocketEngine: Handshaking
2024-10-17 17:34:21.004138+0800 UENUTSRequest[272:8051] LOG SocketIOClient{/}: Handling event: websocketUpgrade with data: [["Date": "Thu, 17 Oct 2024 09:34:20 GMT", "Connection": "upgrade", "sec-websocket-extensions": "permessage-deflate", "Cache-Control": "no-cache", "Upgrade": "websocket", "sec-websocket-accept": "xxxxxx"]]
2024-10-17 17:34:21.004651+0800 UENUTSRequest[272:8819] LOG SocketEngine: Got message: 21
2024-10-17 17:34:21.005156+0800 UENUTSRequest[272:8051] LOG SocketIOClient{/}: Handling event: ping with data: []
2024-10-17 17:34:21.014164+0800 UENUTSRequest[272:8891] ERROR SocketEngine: The operation couldn’t be completed. (UENUTSRequest.EngineError error 0.)
2024-10-17 17:34:21.014537+0800 UENUTSRequest[272:8051] ERROR SocketManager: The operation couldn’t be completed. (UENUTSRequest.EngineError error 0.)

Phone system version number ： 12.4

Xcode version: 15.4