Message SAP WV_RRM117 - Different plants for material groups from node &1, article hierarchy &2

Diagnosis
Materials assigned to node &V1& of material hierarchy &V2& havedifferent material groups. For all these groups, the group of plantsdetermined using the assignment of site price list &V3& must beidentical. However, this is not the case here.

System Response
Due to the inconsistent plant grouping of different material groups, noplant master data can be exported. This also applies to purchase pricesand historical sales data, both of which are always determined inrelation to a plant.

Procedure
Check the specified selection parameters.
Alternatively, check that site price list &V3& has been assigned toplants for those material groups that result from material assignment tothe specified material hierarchy node.
Alternatively, check that materials have been assigned to the specifiedmaterial hierarchy node.