SAP Message VQ237 - One step is needed for cumulative check against product allocations!

Diagnosis
The discrete check against product allocations is set for productallocation procedure &V1&. Several product allocation steps arepossible for this checking method
The step counter cannot be left empty. The value must be greater than0.

Procedure
If only one checking step needs to be carried out in the discrete checkfor product allocation, then you can change the type of check when youmaintain the procedure.
The cumulative check can also be carried out with only only onechecking step.