# Error 1553: Cannot drop index needed in a foreign key constraint

| Error Code | SQLSTATE | Error               | Description                                                |
| ---------- | -------- | ------------------- | ---------------------------------------------------------- |
| 1553       | HY000    | ER\_DROP\_INDEX\_FK | Cannot drop index '%s': needed in a foreign key constraint |

## Possible Causes and Solutions

{% hint style="success" %}
This article doesn't currently contain any content. [You can help!](https://app.gitbook.com/s/WCInJQ9cmGjq1lsTG91E/about/readme/contributing-documentation)
{% endhint %}

<sub>*This page is licensed: CC BY-SA / Gnu FDL*</sub>

{% @marketo/form formId="4316" %}