# DEPENDENCY_NOT_ALLOWED: Package not allowed

> Package not allowed

| Severity | Fault                         | Stage   |
| -------- | ----------------------------- | ------- |
| error    | customer (the source package) | compile |

## What it means

The component imports an npm package that is not on the builder's allowlist. Only allowed packages are bundled; the hint lists them.

## How to fix

Import only the allowed packages, or write the code in the component itself.