You seem to be trying to create a payment where the payment type you have selected requires that the receiver’s bank account number must be stated as an IBAN number, but the account number is not recognized as a valid IBAN number.
Please check the receiver’s Bank account number.
Website showing structure of IBAN numbers in different countries.
We’re sad to see you go. However, remember you can always opt-in again anytime you want here on the website.