E15018 — WhatsAppSenderNotAllowed
This message's sender is already determined, so from cannot be set.
- HTTP status: 422
- Type: validation_error
- Name: WhatsAppSenderNotAllowed
What to do
Remove from. A Bird-managed template selects its own sender from its category, and a Bird-managed number is routed by Bird.
Related
- E15xxx — WhatsApp sending & delivery: every code in this range
- Errors: the full wire contract, status mapping, and error catalog
- Error handling: branching on type and code, validation details, and vendor_code