Required condition 'complete execution' does not exist

What causes this issue?

You can only set this indicator when you have entered a condition for
ending execution.

System Response

If this condition is not entered, the new agent determination is either
always executed (if the indicator <LS>confirm processing end</> is set)
or never executed (if the work item immediately changes to the status
<ZK>completed</> after execution).

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.