Error: Can't resolve 'primeicons/primeicons.css'

[Shivansh-yadav13]

I am new with PrimeReact, I am facing the below issue. Please help me fix this. I was trying to implement this: https://primetek.hashnode.dev/switch-your-react-app-between-material-bootstrap-and-custom-themes-at-runtime

./src/index.scss (./node_modules/css-loader/dist/cjs.js??ref--5-oneOf-6-1!./node_modules/postcss-loader/src??postcss!./node_modules/resolve-url-loader??ref--5-oneOf-6-3!./node_modules/sass-loader/dist/cjs.js??ref--5-oneOf-6-4!./src/index.scss) Error: Can't resolve 'primeicons/primeicons.css'