Diagnosis
For Inventory Management at material group level, the system requires avalue-only material which must be assigned to the material group.
This value-only material could not be found for &V1& or the value-onlymaterial assigned to the material group has not been fully maintained.

System Response
The material group sale cannot be posted.

Procedure
Enter or maintain the value-onlymaterial, if you have not already done so.
Assign the material group to the value-only material ,if you have not already done so.