Hi all ;
I understand that a sto is used with good issue and good receipt in a company.
For example : 647/101 movements are runned by delivery. After that , a delivery cost is booked with VT01 , refered by delivery. But , you want to reverse material documents.
It is impossible in sap standart behaviour. Because , you have a transportation invoice related with your delivery. Sap will not give permission for VL09.
Regards.
M.Ozgur Unal