Which two possible reasons should you identify?

You run the picking workbench process and receive several warning messages for items
that were not picked. You need to identify what prevents the items from being picked. Which
two possible reasons should you identify? Each correct answer presents a complete
solution.

A.
There are no warehouse workers to complete the picking work.

B.
The location of the items could not be ascertained.

C.
The sales order is marked as ship complete and one or more items on the sales order
are unavailable.

D.
The items could not be reserved due to a lack of on-hand inventory.