The Ref Curve PG does not match root system PG.
The Ref Curve permission group does not match the root system permission group. For example, the permission group for the reference curves of the hull does not match the permission group for the hull.
You cannot manipulate the object itself or other objects related to it.
What You Should Do
Ask your database administrator to back up the model.
In the software, click Tools > Custom Commands, and run the Clean Database custom command.
Select the object(s) to be repaired.
Click Clean Now.
Re-run the Check Database Integrity custom command and the DBIntegrity report.
If the object is still posted, contact Smart 3D Support.