Different currencies in payment advice and document header &/&

What causes this issue?

The system can only process payment advices which are in the appropriate
currency. However, the payment currency entered in the document header
is &V2& and the currency in the payment advice is &V1&.

System Response

The payment advice number entered by the user is refused by the system.

How to fix this error?

Either correct the payment advice number you entered or call up the
transaction again and enter the currency of the payment advice in the
document header.

Error message extract from SAP system. Copyright SAP SE.