Diagnosis
There are certain business transactions where it is not possible todetermine free goods in the SAP standard system: reason &V2&
Explanation of reasons
1 Document category is not from sales order category (VBTYP <>'C')
2 Lower-level item
3 Bill of material
4 Product selection
5 Configurable item
6 Scheduling agreement/forecast delivery schedule
7 Item with active ingredient management
8 Item without schedule lines