Getting error websocket.js:39 WebSocket connection to 'ws://localhost:3000/socket.io/?EIO=4&transport=websocket' failed: again and again

[shashankgarg4]

Hello i am using socket.io-client package in my frontend react project this is my frontend code

and in backend my code is setup in node js this is my node js code so initially socket gets connected and prints in console "user is connected" then after sometime it shows error in console in loop

Can you please tell me why this error is coming thanks @darrachequesne @maccman