# E12011 — SMSTemplateMediaUnsupported

Templates are text-only; 'media_urls' cannot be combined with 'template'.

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

## What to do

Templates are text-only. Remove 'media_urls' when sending a template 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`