Key &1 is not permitted for the payment order
Message type: E = Error
Message class: F0 - FI batch program messages
Message number: 423
Message text: Key &1 is not permitted for the payment order
What causes this issue?
You can only enter the following values as a key for the payment order:
1 Payment following advice note
2 Payment to an account
The payment order key is stored in <DS:DE.DTAT17>instruction field 2</>
for the data medium exchange.
Error message extract from SAP system. Copyright SAP SE.