In PO change ( ME22N) transaction, if the po has service item , I am not able to change the Purchasing Org and Co. COde in the header data only purcahsing group is allowed to change. In contrast in Materia Po i am able to change all 3 things in ME22N.
Also in field selection( Screen layout) for po document the fields co code and Purch. org fields are not appearing for selection.
Pl help to solve the problem