# E12010 — SMSTemplateTextConflict

A message cannot supply both 'text' and 'template'. Send free text or a template, not both.

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

## What to do

Send either free text or a template in one message, not both. Remove 'text' (or remove '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`