CAUSE&
Class type &V1& has no material assigned to it in process order &V2&.

What_to_do
Check the classification of the materials in process order &V2&:
From the initial screen, choose Logistics -> Production process-> Process order.
Choose Process Order -> Change.
Choose Goto -> Material list.
Choose Material -> Classification.
RESET N1
In the master recipe, assign materials to class type &V1& if none havealready been assigned:
From the initial screen, choose Logistics -> Production process ->Master data -> Master recipes.
Choose Change recipe and material lists .
Enter the recipe group or the material.
Choose Goto -> Operation overview.
Choose Goto -> Material list.
Choose Extras -> Change components.
Select the material and choose Extras -> Batch classification.