&1 must not be defined in the key column
Message type: E = Error
Message class: PSZ1 - PS Payment Planning: Function Group KPP_PSZ
Message number: 018
Message text: &1 must not be defined in the key column
What causes this issue?
You have defined &V1& as key column. Only the <LS>commitment item</>
and <LS>transaction currency</> may be defined as key columns.
System Response
The layout cannot be saved.
How to fix this error?
Delete the column with characteristic &V1&.
Procedure for System Administrators
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.