# duplicate

> This already exists.

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

HTTP 409.

**Likely causes:**

- The trading account is already linked.
- A token id is already in use.

**What to do:** Use the existing resource.

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

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