SAP Message RMSC027 - Value for parameter &1 for determining the composition is required

Diagnosis
You have not entered a value for the parameter &V1& in the
Parameters for Determining Composition area. This value is requiredfor the compliance check.

System Response
The system cannot perform the compliance check.

Procedure
In Customizing for Environment, Health and Safety choose
Basic Data and Tools -> Compliance Check -> Set UpParameters for Determining Composition and select the EntryRequired indicator for the parameter&V1& .