2704119 - Error: Delivery processing for this Purchase Order is still active

You have created a Purchase Order with new line item and now you are trying to update the quantity in the Purchase Order. However, the system shows an error message upon clicking on the Send Update button

or

when you try to remove a line item from the Purchase Order, you will see the error: Delivery processing for this Purchase Order is still active

SAP Business ByDesign

Delivery processing for this Purchase Order is still active; Save Failed; Delivery Processing error , KBA , delivery processing for this purchase or , save failed , delivery processing error , AP-POP-PO , Purchase Order , Problem