Cannot find module 'node-sass'

[Praharaj123]

ERROR in ./src/styles.scss (./node_modules/@angular-devkit/build-angular/src/angular-cli-files/plugins/raw-css-loader.js!./node_modules/postcss-loader/src??embedded!./node_modules/sass-loader/lib/loader.js??ref--14-3!./src/styles.scss)
Module build failed (from ./node_modules/sass-loader/lib/loader.js):
Error: Cannot find module 'node-sass'
at Function.Module._resolveFilename (internal/modules/cjs/loader.js:587:15)
at Function.Module._load (internal/modules/cjs/loader.js:513:25)
at Module.require (internal/modules/cjs/loader.js:643:17)
at require (internal/modules/cjs/helpers.js:22:18)
at Object.sassLoader (C:\Users\soura\Desktop\Angular\my-first-app\node_modules\sass-loader\lib\loader.js:46:72)
i ｢wdm｣: Failed to compile.