Requestor cancelled req/po line with open receipts that have not and will not be invoiced, leaving a

Please see the attached explanation.

  PO has two Shipments: Line 1 was received and billed in full; line 2 was partially received and billed but receipt is greater than billed amount. Requestor cancelled the line in its current state. Requestor should have corrected the over receipt and then reduced the line down to the amount billed. When viewing the po on Purchasing core side line 2 is no longer visible because it was cancelled, but I can view the Shipments and see the quantity ordered, due, received, billed and cancelled. The PO has an active encumbrance of 706.66 that needs to be released, because