This sub-division now does not appear to overlap any Toposolid with an appropriate Phase and Design Option.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.3.0.0 (25.3.0.0)
Syntax
C#
public static FailureDefinitionId NoHostForToposolidSubregion { get; }