# Ignored PostCSS Plugin #### Why This Error Occurred The project's custom PostCSS configuration attempts to configure unnecessary plugins: - postcss-modules-values - postcss-modules-scope - postcss-modules-extract-imports - postcss-modules-local-by-default - postcss-modules #### Possible Ways to Fix It Remove the plugin specified in the error message from your custom PostCSS configuration. #### How do I configure CSS Modules? CSS Modules are supported in [Next.js' built-in CSS support](https://nextjs.org/docs/advanced-features/customizing-postcss-config). You can [read more about how to use CSS Modules here](https://nextjs.org/docs/advanced-features/customizing-postcss-config).