Diagnosis
A purchase order with parts provided already exists for theoperation.

System Response
Add a component to the subcontracting operation for which a purchaseorder with parts provided already exists. The component is added to theoperation and generates a requirement. However, the purchase ordercannot be updated.

Procedure
You must add the component to the purchase order manually. An additionalrequirement is then generated for the component. As there are now tworequirements for this component, you must delete the requirement thatthe order created. You can do this by deleting the component in theorder or by setting the final issue indicator for the component.