A sweep in a design option cannot be hosted by an element in the Main Model [--if you continue it will not be added to the design option set].

public static FailureDefinitionId ConfusingSweepByElementsInMainModelWarn { get; }

Public Shared ReadOnly Property ConfusingSweepByElementsInMainModelWarn As FailureDefinitionId
	Get

public:
static property FailureDefinitionId^ ConfusingSweepByElementsInMainModelWarn {
	FailureDefinitionId^ get ();
}