How do you clear a reservation on a purchase order line?

@arebbeadle , You can do the following to remove the reservation:

1. RMB on the Purchase Order Line and select Supplier Material
2. RMB on the line and select Reserve Part
3. Find the row in which the reservation exists and input a negative quantity next to that value (you may have to do this for multiple rows depending on how your reservation was completed)
4. Click OK and then the Reservation will be removed

Although, I’m not sure I follow the reason to manually close the PO line.  Generally, you’d want to complete the Register Arrivals process to complete the receipt process or adjust the quantity on the Purchase Order Line if it exceeds what you now need to order.  Assuming the Automatic Order Closing selection is enabled on the Purchase Part, the Purchase Order will automatically close once the material is received.