# E12013 — SMSTemplateFromNotAllowed

A template send selects its sender automatically; 'from' is not accepted.

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

## What to do

A template send selects its sender automatically. Remove 'from' and send again.

## Related

- [E12xxx — SMS sending & delivery](/docs/api/errors/E12xxx): 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`