var jsonSerializerSettings = new JsonSerializerSettings
{
PreserveReferencesHandling = PreserveReferencesHandling.Objects,
ReferenceLoopHandling = ReferenceLoopHandling.Serialize
};
File.WriteAllText(Path.Combine(filePath, b.Name + ".json"), JsonConvert.SerializeObject(buildToExport, Formatting.Indented, jsonSerializerSettings));
This bug was report on the Visual Studio Gallery page : https://visualstudiogallery.msdn.microsoft.com/73bf2d8e-aec6-406c-8e7f-1c678e46557f/view/Discussions/0
Correct it by change the end of "ExportDefinition" method of "BuildManagerViewModel" class with :