Exam 1z0-963 topic 1 question 20 discussion

You defined an Approved Supplier List (ASL) with a Blanket Purchase Agreement (BPA) for requisitions. After you submit a requisition with the BPA as a source document, you found an approved requisition and automatically created PO (Purchase Order). However, the status of this PO was confirmed as "Incomplete" instead of "Open" as expected.
Identify two causes for this behavior.