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# InvalidRequestIdentifierError

An error that indicates an invalid request identifier.

```
object InvalidRequestIdentifierError
```

## Discussion

This error applies to the [`requestIdentifier`](/documentation/AppStoreServerAPI/requestIdentifier) you provide in the [`Extend a Subscription Renewal Date`](/documentation/AppStoreServerAPI/Extend-a-Subscription-Renewal-Date), [`Extend Subscription Renewal Dates for All Active Subscribers`](/documentation/AppStoreServerAPI/Extend-Subscription-Renewal-Dates-for-All-Active-Subscribers), and [`Get Status of Subscription Renewal Date Extensions`](/documentation/AppStoreServerAPI/Get-Status-of-Subscription-Renewal-Date-Extensions) endpoints.

For the [`Extend Subscription Renewal Dates for All Active Subscribers`](/documentation/AppStoreServerAPI/Extend-Subscription-Renewal-Dates-for-All-Active-Subscribers) and [`Get Status of Subscription Renewal Date Extensions`](/documentation/AppStoreServerAPI/Get-Status-of-Subscription-Renewal-Date-Extensions) endpoints, the [`requestIdentifier`](/documentation/AppStoreServerAPI/requestIdentifier) needs to be a `UUID`.

---

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