WS StackTrace

[ArgumentException: An item with the same key has already been added.]
   System.ThrowHelper.ThrowArgumentException(ExceptionResource resource) +56
   System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add) +14410285
   WebSharper.Web.Shared.allReferencedAssemblies() +200
   WebSharper.Web.Shared.loadMetadata() +61
   <StartupCode$WebSharper-Web>.$WebSharper.Web.Shared..cctor() +87

[TypeInitializationException: The type initializer for '<StartupCode$WebSharper-Web>.$WebSharper.Web.Shared' threw an exception.]
   WebSharper.Web.Shared..cctor() +30

[TypeInitializationException: The type initializer for 'WebSharper.Web.Shared' threw an exception.]
   WebSharper.Web.Shared.get_Metadata() +0
   <StartupCode$WebSharper-Web>.$RpcModule..cctor() +21

[TypeInitializationException: The type initializer for '<StartupCode$WebSharper-Web>.$RpcModule' threw an exception.]
   WebSharper.Web.RpcHandler..cctor() +30

[TypeInitializationException: The type initializer for 'WebSharper.Web.RpcHandler' threw an exception.]
   WebSharper.Web.RpcHandler..ctor() +0
   WebSharper.Web.RpcModule..ctor() +37

[TargetInvocationException: Exception has been thrown by the target of an invocation.]
   System.RuntimeTypeHandle.CreateInstance(RuntimeType type, Boolean publicOnly, Boolean noCheck, Boolean& canBeCached, RuntimeMethodHandleInternal& ctor, Boolean& bNeedSecurityCheck) +0
   System.RuntimeType.CreateInstanceSlow(Boolean publicOnly, Boolean skipCheckThis, Boolean fillCache, StackCrawlMark& stackMark) +138
   System.Activator.CreateInstance(Type type, Boolean nonPublic) +105
   System.RuntimeType.CreateInstanceImpl(BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes, StackCrawlMark& stackMark) +1499
   System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture, Object[] activationAttributes) +191
   System.Activator.CreateInstance(Type type, BindingFlags bindingAttr, Binder binder, Object[] args, CultureInfo culture) +27
   System.Web.HttpRuntime.CreateNonPublicInstance(Type type, Object[] args) +82
   System.Web.HttpApplication.BuildIntegratedModuleCollection(List`1 moduleList) +229
   System.Web.HttpApplication.GetModuleCollection(IntPtr appContext) +1114
   System.Web.HttpApplication.RegisterEventSubscriptionsWithIIS(IntPtr appContext, HttpContext context, MethodInfo[] handlers) +140
   System.Web.HttpApplication.InitSpecial(HttpApplicationState state, MethodInfo[] handlers, IntPtr appContext, HttpContext context) +172
   System.Web.HttpApplicationFactory.GetSpecialApplicationInstance(IntPtr appContext, HttpContext context) +402
   System.Web.Hosting.PipelineRuntime.InitializeApplication(IntPtr appContext) +343

[HttpException (0x80004005): Exception has been thrown by the target of an invocation.]
   System.Web.HttpRuntime.FirstRequestInit(HttpContext context) +539
   System.Web.HttpRuntime.EnsureFirstRequestInit(HttpContext context) +125
   System.Web.HttpRuntime.ProcessRequestNotificationPrivate(IIS7WorkerRequest wr, HttpContext context) +731