Message type: E = Error
Message class: /PM0/ABX_MESSAGES - Messages Basis Cross Processes
Message number: 045
Message text: You cannot set the "User Modification" indicator for entry &1
You can only set the <ZK>User Modification?</> flag if one of the
following conditions is met:
The <ZK>Display TMF on Execution</> flag is also set.
The <ZK>Validity Category</> field has one of the following values:
<ZK>Future-dated unscheduled correspondence</>
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Make the changes according to the conditions listed above.
Error message extract from SAP system. Copyright SAP SE.