# E04004 — SuppressionNotFound

Email suppression not found.

- **HTTP status**: `404`
- **Type**: `not_found_error`
- **Name**: `SuppressionNotFound`

## What to do

No route matches this path, or the resource does not exist in this workspace. If the resource should exist, confirm the identifier, the URL, and that you are calling the region and workspace that own it; otherwise the message above says what is missing.

## Related

- [Regions](/docs/api/regions): matching keys, hosts, and data location
- [E04xxx — Email sending & delivery](/docs/api/errors/E04xxx): 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`