CompartByBooleanAE has no CompartGeometry Object.
The CompartByBoolean Active Entity has no CompartGeometry associated with it. The CompartByBooleanAE holds the reference (through a relation) about the inputs for construction. Because the CompartByBooleanAE has become orphaned, this object is not selectable or displayable in a graphic view or in the Workspace Explorer.
Coding or data model errors.
No impact. The orphaned object remains in the database.
What You Should Do
The object should be deleted. To delete the object, run the Clean Database custom command (ProgID SP3DCleanDatabaseCmd.CCheckObj). This command displays a dialog box that lists the objects in error. From the list you can select the objects and delete them.