The email address cannot be updated.
The payment method cannot be updated.
An invoice cannot be created.
The billing information cannot be updated.
The application cannot be canceled.
PayPal is not set as a current payment method.
The PayPal agreement cannot be created.
The promo code has not been assigned.
The payer details cannot be fetched.
Unable to complete the gateway transaction.
The PDF library cannot be found.
Unable to update the application.