Steven,
I just noticed this expensive error waiting to happen on the RDS Tasks sheee.
You have two identical records with different Qty-Requited values
PLP Walk-Seq Product-Code Location UPI QTY-REQ'D Consignment Pick-Lane
000164104 815 Y63739964 E116A 01798376 1 2535126 70A
000164104 815 Y63739964 E116A 01798376 20 2535126 70A