We have a couple of PO's that show up when using "View PO Receivers", as not being closed, but there aren't any lines to receive.  When trying to reopen the po number it says you cannot reopen a po that has not been closed yet.  However when trying to use the close po program we get the message: "Did not find PO.  Use the lookup  button..."  Is there any way to go into Maintain Database and get rid of these PO numbers?

Does the purchase order number appear in the PO-A screen as open???  
 
In view PO Receivers, if the purchase order number does not appear with a C to the left of one of the receipts, the purchase order should be open.
 
Have all related po receipts been processed in A/P-C with an invoice?  If not, the purchase order is still open, awaiting an invoice, but could be considered closed as far as receiving goes.
 
When the last invoice is entered against the po, accounting is prompted with a response to close the purchase order and should respond with a "yes".  If not, PO-K can be used to close it.