# E12063 — SMSKeywordAlreadyUsedInScope

One of these keywords is already used by another of your rules for this country.

- **HTTP status**: `409`
- **Type**: `conflict_error`
- **Name**: `SMSKeywordAlreadyUsedInScope`

## What to do

Remove the keyword from the other rule first, or choose a different one. Two of your own rules cannot claim the same keyword, including two `custom` rules.

## Related

- [Idempotency](/docs/api/idempotency): safe retries and key reuse rules
- [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`