The fitting that is converted to was not defined. Please load one fitting family and assign it in the routing preference.
Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 26.4.0.0 (26.4.0.0)
Syntax
C#
public static FailureDefinitionId NoFittingLoadedInProjectError { get; }