in the product view (//rrp3) when we select any particular order , double click on the order and click the edit button, then we are able to change the source of supply.
but for the process order (//rrp2) when we click the edit button we are not able to change the source of supply.
what is the reason behind it ? is it a functioality design or what ??
could anyone please explain me about it ??