> Partner bank not valid, payment is not possible

What causes this issue?

The partner bank you have entered is invalid.

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

The bank details entered in the payment request have not been defined in
the master data of the business partner. Alternative payers are either
not possible or there are none available. None of the possible
alternative payers contains these bank details.

System Response

The payment cannot be executed.

Error message extract from SAP system. Copyright SAP SE.