---
title: 'Install `sass` to Use Built-In Sass Support'
---
## Why This Error Occurred
Using Next.js' [built-in Sass support](/docs/pages/guides/sass) requires that you bring your own version of Sass.
## Possible Ways to Fix It
Please install the `sass` package in your project.
```bash filename="Terminal"
npm i sass
# or
yarn add sass
```
## Useful Links
- [Sass Support in Documentation](/docs/pages/guides/sass)