Diagnosis
You want to assign organizational unit &v1& to another organizationalunit of the enterprise organization. Controlling area &v2& of thetarget organizational unit in the enterprise organization is not thesame as controlling area &v3& of the organizational unit beingassigned.
You are only allowed to reassign within the same controlling area inthe enterprise orgranization.

System Response
Assigning organizational unit &v1& to the target organizational unit isnot allowed.