Diagnosis
You want to mark material &V1& as a co-product. However, in plant &V2&,this material is not defined as a co-product.

System Response
The system checks the material master (MRP 2 detail screen tosee whether the material is defined as a co-product.

Procedure
You can only enter the material as a co-product in plant &V2& once youhave set the indicator in the material master which defines thematerial as a co-product for this plant.