react : webpackHotDevClient.js:60 WebSocket connection to 'ws://localhost/sockjs-node' failed:

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Im making a react app and i have this error showing up in the javascript console when i run yarn start and i load the page:

webpackHotDevClient.js:60 WebSocket connection to 'ws://localhost/sockjs-node' failed: 

I have tried to look for answers on Stackoverflow but didnt find anything.

I dont know what it is and how to solve it but it seems not preventing the page to load properly...

The error was not showing up until recently, i dont know what i changed.

Thank you,

1 Answers

for me it worked to disable the "Allow CORS: Access-Control" extension

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