---
title: InvalidExtendByDaysError
framework: appstoreserverapi
role: symbol
role_heading: Object
path: appstoreserverapi/invalidextendbydayserror
---

# InvalidExtendByDaysError

An error that indicates an invalid extend-by-days value.

## Declaration

```data
object InvalidExtendByDaysError
```

## Properties

errorCode: errorMessage:

## Discussion

Discussion This error applies to the extendByDays you provide in the Extend a Subscription Renewal Date and Extend Subscription Renewal Dates for All Active Subscribers endpoints.

## See Also

### Errors

- [AccountNotFoundError](appstoreserverapi/accountnotfounderror.md)
- [AdvancedCommerceTransactionNotSupportedError](appstoreserverapi/advancedcommercetransactionnotsupportederror.md)
- [AppNotFoundError](appstoreserverapi/appnotfounderror.md)
- [AppTransactionDoesNotExistError](appstoreserverapi/apptransactiondoesnotexisterror.md)
- [AppTransactionIdNotSupportedError](appstoreserverapi/apptransactionidnotsupportederror.md)
- [FamilySharedSubscriptionExtensionIneligibleError](appstoreserverapi/familysharedsubscriptionextensionineligibleerror.md)
- [FamilyTransactionNotSupportedError](appstoreserverapi/familytransactionnotsupportederror.md)
- [GeneralInternalError](appstoreserverapi/generalinternalerror.md)
- [GeneralBadRequestError](appstoreserverapi/generalbadrequesterror.md)
- [InvalidAppAccountTokenUUIDError](appstoreserverapi/invalidappaccounttokenuuiderror.md)
- [InvalidAppIdentifierError](appstoreserverapi/invalidappidentifiererror.md)
- [InvalidEmptyStorefrontCountryCodeListError](appstoreserverapi/invalidemptystorefrontcountrycodelisterror.md)
- [InvalidExtendReasonCodeError](appstoreserverapi/invalidextendreasoncodeerror.md)
- [InvalidOriginalTransactionIdError](appstoreserverapi/invalidoriginaltransactioniderror.md)
- [InvalidRefundPreferenceError](appstoreserverapi/invalidrefundpreferenceerror.md)