> ## Documentation Index
> Fetch the complete documentation index at: https://docs.alura.io/llms.txt
> Use this file to discover all available pages before exploring further.

# change_not_revertable

> Change not revertable. HTTP 409, not retryable.

**HTTP 409: Change not revertable.** Retrying the same request gives the same error. Errors never cost API credits.

**What to do:** This change cannot be undone: `reason` says why (`legacy_app_write`, `before_from_cache`, `delete`, `publish_fee`, `shipment_notified_buyer`, `images`, `quantity`, `reactivates_listing`, `not_landed`, `outcome_unknown`, ...). Nothing was written. For `outcome_unknown`, read the change again once its outcome is known (it may have landed); otherwise make the edit you want with update.

```json Response theme={null}
{
  "type": "https://docs.alura.io/errors/change_not_revertable",
  "title": "Change not revertable",
  "status": 409,
  "code": "change_not_revertable",
  "detail": "Change not revertable",
  "suggestion": "This change cannot be undone: `reason` says why (`legacy_app_write`, `before_from_cache`, `delete`, `publish_fee`, `shipment_notified_buyer`, `images`, `quantity`, `reactivates_listing`, `not_landed`, `outcome_unknown`, ...). Nothing was written. For `outcome_unknown`, read the change again once its outcome is known (it may have landed); otherwise make the edit you want with update.",
  "retryable": false,
  "request_id": "req_01JQ5W3H8M2N4P6R8T0V2X4Z6B"
}
```

The response is `application/problem+json` (RFC 9457) and has a `Request-Id` header with the same `request_id`. See [all errors](https://docs.alura.io/api-reference/errors.md).


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