access to xmlhttprequest at from origin http localhost:3000 has been blocked by cors policy

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Access to XMLHttpRequest at from origin HTTP localhost:3000 has been blocked by CORS policy

By Wooden Hammer Henrietta Emmerich at Mar 18 2021

1

Access to XMLHttpRequest at 'http://localhost:8080/socket.io/?EIO=4&transport=polling&t=NeMYaI8' from origin 'http://localhost:3000' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.

By Stone Hammer Spencer Hoeger at Jun 15 2021

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