Do not enter a partner bank type when posting with QR-IBAN

What causes this issue?

You have entered a QR-IBAN number and you have also selected a
<DS:DE.BVTYP>partner bank type</>. When you post documents with
QR-IBAN, you are not allowed to select a partner bank type.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

If you want to post documents with QR-IBAN, always leave the partner
bank type field empty.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.