Subregions must have the same Phase Created parameter and Phase Demolished parameter as the host Toposurface. Subregion phase will be set to match the Toposurface.

public static FailureDefinitionId RegionPhaseMismatch { get; }

Public Shared ReadOnly Property RegionPhaseMismatch As FailureDefinitionId
	Get

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