SAP Message WXPB801 - Planning level &1 has been assigned several meanings

Diagnosis
You have characterized the planning level &V1& as a special planninglevel (for example, "material group" or "assortment"). You have chosenseveral meanings for the characterization (for example, the meaning"material group" and the extra meaning "assortment"). Only one meaningis permitted for each planning level, however.

System Response
The planning scenario cannot be activated.

Procedure
Select a maximum of one meaning for each planning level.