The layers you have selected contain both contour lines and non-contour lines (lines of non-constant elevation). You may want to go back and select fewer layers, or you can continue, but the boundary of the site may be larger than you want.

public static FailureDefinitionId ContoursNoncontours { get; }

Public Shared ReadOnly Property ContoursNoncontours As FailureDefinitionId
	Get

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