Enum PurchaseFailureReason

The various reasons a purchase can fail.

public enum PurchaseFailureReason

Name	Description
DuplicateTransaction	The transaction has already been completed successfully. The purchase has already been confirmed.
ExistingPurchasePending	Another purchase is already in progress.
PaymentDeclined	There was a problem with the payment. This is unique to Apple platforms.
ProductUnavailable	The product was reported unavailable by the purchasing system.
PurchaseMissing	The billing client responded with OK without including the purchase. This is unique to the Google Play Store.
PurchasingUnavailable	Purchasing may be disabled in security settings.
SignatureInvalid	Signature validation of the purchase's receipt failed.
StoreNotConnected	The purchase couldn't be initiated because the store is not connected. Use IStoreService.Connect() to initialize the connection to the store.
Unknown	A catch all for remaining purchase problems. Note: Use Enum.Parse to use this named constant if targeting Unity 5.3 or 5.4. Its value differs for 5.5+ which introduced DuplicateTransaction.
UserCancelled	The user opted to cancel rather than proceed with the purchase. This is not specified on platforms that do not distinguish cancellation from other failure.
ValidationFailure	Transaction failed verification performed by the TX Verifier service.