Revit is unable to generate a truss using the current Layout Family and Truss orientation.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.4.0.0 (26.4.0.0)
Syntax
C#
public static FailureDefinitionId UnableGenerateTrussByFamilyAndOrientation { get; }