# Error: sender_ambiguous

> Several senders could send this

Source: https://docs.vlayers.ai/errors/sender_ambiguous

- HTTP status: 409
- Retry: No: fix the request first
- details: `senders`: the candidates.

## What happened

Several senders could send this.

## Why

The send left out `from`, and the workspace has more than one sender on this channel.

## How to fix it

Name one of `details.senders` in `from`.

## Example response

```json
{
  "error": "sender_ambiguous",
  "message": "Several senders could send this.",
  "requestId": "req-8f2c1d4b",
  "retryable": false,
  "docs": "https://docs.vlayers.ai/errors/sender_ambiguous"
}
```