Active Directory Group object Managed By Name is blank but no ChangeAuditor event was created (4316389)

The Name field on the Managed By tab of the Active Directory Group object was populated but changed to a blank but there was no "group managedBy Changed" event recorded in ChangeAuditor.

The Active Directory user object of the account listed in the Name field on the Managed By tab of the Active Directory Group object was deleted from Active Directory. When an Active Directory user object is removed from Active Directory, it will be removed from the Managed By tab of any group objects it is configured for but no events will be generated.