Curve in rail sketch is too short for rail creation and ignored.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.2.0.0 (26.2.0.0)
Syntax
C#
public static FailureDefinitionId RailCurveTooShort { get; }
public static FailureDefinitionId RailCurveTooShort { get; }