Error: Node Sass version 6.0.1 is incompatible with ^4.0.0.

./src/js/pages/security/audit/audit.scss (./node_modules/css-loader/dist/cjs.js??ref--6-oneOf-7-1!./node_modules/postcss-loader/src??postcss!./node_modules/resolve-url-loader??ref--6-oneOf-7-3!./node_modules/sass-loader/dist/cjs.js??ref--6-oneOf-7-4!./src/js/pages/security/audit/audit.scss)
Error: Node Sass version 6.0.1 is incompatible with ^4.0.0.

Solution

Install "sass" in npm dev dependancies. You dont even need to remove other node-sass for this to work but you may remove it if unused.