# last_owner

> An organisation needs at least one owner.

Source: https://tickwire.io/docs/errors/last_owner/

HTTP 409.

**Likely cause:** Removing or demoting the last owner.

**What to do:** Promote another member first.

**Retry:** No. The same request gets the same answer; change something first.

Listed under [Sign-in and organisations](https://tickwire.io/docs/errors/#sign-in-and-organisations) in [Errors](https://tickwire.io/docs/errors/). Send the error's `requestId` to support and we can find the request.