SAP Message RMPS_GENERAL150 - This element (&1) cannot be inserted in element type &2

Diagnosis Parameter RMPS_UNIQUE_PARENT_FOR (in the registry of element type &v2&specifies that an object with the element type &v1& can be inserted onlyif it is not already included in another container. However, the objectthat you want to insert is already in another container. System Response The system does not allow you to insert the object. Procedure If necessary, delete the object from the old container before you assignit to the new container. Procedure for System Administration