# project_not_empty

> The project still holds machines. Only an empty project can be deleted.

[Errors](https://docs.wheelmachine.ai/errors/index.html) / `project_not_empty`

409 **The project still holds machines**

Only an empty project can be deleted.

## When it happens

- Deleting a project that still holds machines.

## What to do

Delete its machines first (`wm machines ls --project <project>`, then `wm machines rm`), then the project.

**Send it again?** Yes, once it is empty.

Every code, and how to read a refusal: [Errors](https://docs.wheelmachine.ai/errors/index.html).