basic errors in PO creation process in oracle apps
1.if you get error related to rate type when create po then define tha rate value in gl_daily_rate forms 2. if you get problem related to get_lot_sublot its reason is in mtl table do not have correct product_id 3. if you get this type of error in delivery po Error: PO Shipment (NUMBER = 1) is not open. Error: Transaction type DIRECT is not currently supported by Receiving Open Interface. its solution is update qty_rcv_exception_code to none in po_line_locations_all table