Diagnosis
You have limited the delivery of an order in such a way that only itemsV1 and v2, rather than all items of one delivery group, are to bedelivered.
In other words, only some of the items in delivery group &v3& would bedelivered.

System Response
The system is set up in such a way that it delivers only items &v1& toV2, therefore leaving the delivery group v3 in a state ofincomlplete delivery.

Procedure
Check to make sure whether you still need to deliver the rest of theitems in delivery group &v3&.