SAP Message APEO027 - Program position &1 has a different controlling area

Diagnosis
You want to assign program position &v1& to an organizational unit ofthe enterprise organization. Controlling area &v2& is set for thisorganizational unit in the enterprise organization. This controllingarea differs from controlling area &v3& of the program position.However, the controlling area has to be the same in the enterpriseorganization and in the assigned program position.

System Response
Assigning the program position to the organizational unit is notallowed.