I am getting this kind of error while importing file

:5500/:1 Access to fetch at 'http://localhost:4848/resources/qmfe/import-map.json' from origin 'http://127.0.0.1:5500' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.

I am using pure JS and HTML to work with , is there any suggestions for me?