The Symbol PG does not match with Beam StandAlone Part PG.
The Symbol permission group does not match the Beam StandAlone Part permission group.
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.