SAP Message AP316 - Characteristic &1 is not checked automatically

Diagnosis
If entries are made for characteristic &V1& when reports are defined orexecuted, the system does not automatically check the entered values.

Procedure
If you want a check to be carried out for entries, there are three waysof setting this up:
Define the characteristic on a domain with fixed values.
In the enhancement structure, enter a check table and a foreign keyrelationship for the check table, for the characteristic.
Program an explicit check for the characteristic values in the correctcomponent of the customer enhancement.