Creditor ID &1: Positions 5 to 7 (&2) must be "ZZZ"

What causes this issue?

Positions 5 to 7 of the ID represent the creditor business code. This is
used, for example, to identify individual business areas or branch
offices of the payment recipient. The letters "ZZZ" are entered by
default as the creditor business code.

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?

To ensure that the specified creditor ID is unique, enter a creditor ID
instead of "ZZZ" as the creditor business code.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.