Dear Experts,
My client is using 3 different plantsA,B and C with different business area A,B and C, Asset master is creating with business area wise , but while creating PO ME21N suppose i'm creating in plant A i'm enetring asset no which is belongs to plant B (Business area is B)system is allowing me to enter diffemrent plant business area asset. So my requairement is system shouldn't allow different business area asset in my plant while creating PO , How to do this is there any user exit or any other procedure.