Diagnosis
In the "Plant group application" section of the Implementation Guide(IMG) several class types have been created for the application "Stockoverview". This enables you to group plants using the Classificationsystem.
Depending on the class type with which you created your plant groupsfor the stock overview, you must select the appropriate class type sothat the system can assign the plants to the proper plant groups.

Procedure
Select one of the class types available. The system uses this classtypeto find the base plant groups, for which the stock data of theplants assigned is totalled.