Failed to compile - trying to import index.scss into index.js

I am newbie and working on a reactjs project, now having the error below, can you please help me to solve it?

Failed to compile.

./src/styles/index.scss (./node_modules/css-loader??ref--6-oneOf-5-1!./node_modules/postcss-loader/src??postcss!./node_modules/react-scripts/node_modules/sass-loader/lib/loader.js??ref--6-oneOf-5-3!./src/styles/index.scss)
Error: Node Sass version 7.0.1 is incompatible with ^4.0.0.

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