SmartOccurrence object's Permission Group does not match with MfgPlatePart's Permission Group.
The permission group of the SmartOccurrence object does not match the permission group of the MfgPlatePart object.
Coding or data model propagation errors.
What You Should Do
To repair 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 repair them by clicking Clean Now.