#9 Error when building the documentation

[Alex]

Building documentation...
Initializing...
Merging XML documentation...
An error occured while trying to build the documentation.

Exception: NDoc.Core.DocumenterException
Method may only be called on a Type for which Type.IsGenericParameter is true.

Exception: System.InvalidOperationException
Method may only be called on a Type for which Type.IsGenericParameter is true.

Exception: NDoc.Core.DocumenterException
at NDoc.Documenter.Msdn.MsdnDocumenter.Build(Project _project)
at NDoc.Gui.BuildWorker.ThreadProc()

Exception: System.InvalidOperationException

Server stack trace:
at System.RuntimeType.get_GenericParameterPosition()
at NDoc.Core.MemberID.GetTypeName(Type type, Boolean UsePositionalNumber)
at NDoc.Core.MemberID.GetParameterList(MethodBase method)
at NDoc.Core.MemberID.GetMemberID(MethodBase method)
at NDoc.Core.Reflection.ReflectionEngine.MustDocumentMethod(MethodBase method)
at NDoc.Core.Reflection.ReflectionEngine.WriteMethods(XmlWriter writer, Type type)
at NDoc.Core.Reflection.ReflectionEngine.WriteClass(XmlWriter writer, Type type, Boolean hiding)
at NDoc.Core.Reflection.ReflectionEngine.WriteClasses(XmlWriter writer, Type[] types, String namespaceName)
at NDoc.Core.Reflection.ReflectionEngine.WriteNamespaces(XmlWriter writer, Module module)
at NDoc.Core.Reflection.ReflectionEngine.WriteModule(XmlWriter writer, Module module)
at NDoc.Core.Reflection.ReflectionEngine.WriteAssembly(XmlWriter writer, Assembly assembly)
at NDoc.Core.Reflection.ReflectionEngine.BuildXml(XmlWriter writer)
at NDoc.Core.Reflection.ReflectionEngine.MakeXmlFile(ReflectionEngineParameters rep, String xmlFile)
at System.Runtime.Remoting.Messaging.StackBuilderSink._PrivateProcessMessage(IntPtr md, Object[] args, Object server, Int32 methodPtr, Boolean fExecuteInContext, Object[]& outArgs)
at System.Runtime.Remoting.Messaging.StackBuilderSink.PrivateProcessMessage(RuntimeMethodHandle md, Object[] args, Object server, Int32 methodPtr, Boolean fExecuteInContext, Object[]& outArgs)
at System.Runtime.Remoting.Messaging.StackBuilderSink.SyncProcessMessage(IMessage msg, Int32 methodPtr, Boolean fExecuteInContext)

Exception rethrown at [0]:
at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)
at NDoc.Core.Reflection.ReflectionEngine.MakeXmlFile(ReflectionEngineParameters rep, String xmlFile)
at NDoc.Core.Reflection.BaseReflectionDocumenter.MakeXmlFile(Project project, String fileName)
at NDoc.Documenter.Msdn.MsdnDocumenter.Build(Project _project)