I faced this issue in my react project after i copied the styles folder from another project

I faced this issue during cpoying of styles folder from my another project.

./src/app/App.scss (./node_modules/css-loader/dist/cjs.js??ref--6-oneOf-5-1!./node_modules/postcss-loader/src??postcss!./node_modules/resolve-url-loader??ref--6-oneOf-5-3!./node_modules/sass-loader/dist/cjs.js??ref--6-oneOf-5-4!./src/app/App.scss)