# E15023 — WhatsAppSenderWABAMismatch

The from number is on a different WhatsApp Business Account than the template.

- **HTTP status**: `422`
- **Type**: `validation_error`
- **Name**: `WhatsAppSenderWABAMismatch`

## What to do

A template is registered to one WhatsApp Business Account and can only be sent from a number on that same account. Use a number on the template's account, or send a template authored on the account this number belongs to.

## Related

- [E15xxx — WhatsApp sending & delivery](/docs/api/errors/E15xxx): every code in this range
- [Errors](/docs/api/errors): the full wire contract, status mapping, and error catalog
- [Error handling](/docs/guides/errors): branching on `type` and `code`, validation details, and `vendor_code`