Sketch Template Line Symbol's Approval Status does not match with Template's Approval Status.
The approval status of the Sketch Template Line Symbol does not match the approval status of the Template.
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.