> ## Documentation Index
> Fetch the complete documentation index at: https://docs.staging.relayapp.im/llms.txt
> Use this file to discover all available pages before exploring further.

# Error 2015: Mentioned Handle left the Chat

> Resolve Relay error 2015.

The structured mention targets a Contact that left or was removed.

## Response

```json theme={null}
{
  "error": {
    "status": 409,
    "code": 2015,
    "message": "The structured mention targets a Contact that left or was removed.",
    "doc_url": "https://docs.relayapp.im/error/codes/2xxx/2015"
  },
  "success": false,
  "trace_id": "b923d71e50be43ba9e0fe1e34a7676c2"
}
```

## Fix

1. Refresh the Chat membership.
2. Remove or replace the mention before sending again.

## Retry

Do not retry the same request unchanged.

## Related

* [Error overview](/error)
* [Debugging](/guides/platform/debugging)