---
title: 4001: Exclude leaves no sender. | API Docs
description: exclude removed every number that could serve.
---

**HTTP status:** `422`.

After excluding the numbers you named, no eligible sending number remains for this destination. Nothing was sent.

## Troubleshooting

- Read error.context.pinned\_from when present: your exclude named the number this conversation already uses.
- Shorten exclude or set from explicitly.

## Related

- [Phone numbers guide](/channel/whatsapp/guides/phone-numbers/index.md)
- [Sending a message](/channel/whatsapp/api/resources/chats/subresources/messages/methods/send/index.md)