Tried:
INSERT INTO po_line_schedule (po_number, po_line, acknowledged, vendor, acknowledged_date, po_user_id, active, ship_qty, delivery_date) VALUES (830875,1,'Y',8209,'#29/09/2005#',13,'Y',1,'#05/10/2005#')
And
INSERT INTO po_line_schedule (po_number, po_line, acknowledged, vendor...