Diagnosis
When Special Buy and Stock Returns are indistinguishable, the DRMsystem creates a new lot to hold the quantity returned. In order tocreate a new lot, the system requires a reference lot. For this, theDRM profile must have the Sort Order for lots to determine how thesystem will zero in on the lot(s) to be consumed.

Procedure
Enter the Sort Order of lots, such as N, B, BB, which indicates thatthe system should first look for a Normal lot with matching trackingpartner and manufacturer book part number to use as the Reference Lot.If a suitable Normal lot with matching key is not found, the systemshould look for a Special Buy lot for reported end customer, followedby blanket Special Buy lot to use as Reference Lot.