# preview_token_invalid

Source: https://capacms.com/docs/errors/preview_token_invalid

401 authentication. The preview token is forged, mangled or for another project.

> This code comes from preview. See [Preview](https://capacms.com/docs/preview).

| HTTP status | `type`           | Surfaces |
| ----------- | ---------------- | -------- |
| 401         | `authentication` | REST     |

## What it means

The preview token is forged, mangled or for another project.

| When                                                           |
| -------------------------------------------------------------- |
| not a Capa token, tampered with, or minted for another project |

## What to do

Open a fresh preview link from the Capa editor.