SAP Message CACSCG250 - Not possible to save - see long text

Diagnosis
You have selected a commission contract for which these settings arenot possible. The commission contract that you have selected is basedon a standard commission contract whose contract type does not containthe occasional agent indicator.

System Response
The system has not saved your entries.

Procedure
Only select contracts that are based on standard commission contractswhere the contract types have the occasional agent indicatorset.