The highlighted line intersects the boundary of the face being modified. To modify a cut face, use open loops that end on the existing boundary without intersecting or overlapping existing edges.

public static FailureDefinitionId CurveIntersectsCutFace { get; }

Public Shared ReadOnly Property CurveIntersectsCutFace As FailureDefinitionId
	Get

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