SAP Message CACSMD899 - Saving is not possible; See long text

Diagnosis
In this version number of the standard contract you cannot save theassignment of the standard agreements or the standard commissioncontract components. This is because this would make it impossible forperiod management to be audited.

Procedure
Create a new standard contract version and repeat the entries for thisversion. The components of the standard commission contract must beassigned separately for each version.