Preconditions Before moving a class from one application to another, ensure that the following conditions exist: • Both applications must be editions. • You must be the owner of the class. • You must be a group member of the target application. • You cannot move a class definition into an application that contains an extension for the class. • The superclass of the class must be visible in the target application. • When you move a class definition, the definition must remain visible to extensions and subclasses of the class. • When you move a class extension, the definition must remain visible in the target application.