Server Version : 1.3.0.96 Studio Version : 1.3.0.96 Email Address : WB - replicating issue Steps to follow : open new workflow. Drag on Assign. Assign [[a]]=10, [[b]]=5. Mark [[a]] and [[b]] as inputs in Variables list. Drag on another Assing. Assign [[c]]=[[a]]+[[b]]. Mark [[c]] as Output. Click service URL at top of screen. at Dev2.Studio.ViewModels.Workflow.WorkflowDesignerViewModel.b__144_0(Object param) at Dev2.Runtime.Configuration.ViewModels.Base.DelegateCommand.Execute(Object parameter) at MS.Internal.Commands.CommandHelpers.CriticalExecuteCommandSource(ICommandSource commandSource, Boolean userInitiated) at System.Windows.Documents.Hyperlink.OnClick() at System.Windows.Documents.Hyperlink.DispatchNavigation(Object sender) at System.Windows.Documents.Hyperlink.DoUserInitiatedNavigation(Object sender) at System.Windows.Documents.Hyperlink.OnMouseLeftButtonUp(Object sender, MouseButtonEventArgs e) at System.Windows.Documents.Hyperlink.OnMouseLeftButtonUp(MouseButtonEventArgs e) at System.Windows.UIElement.OnMouseLeftButtonUpThunk(Object sender, MouseButtonEventArgs e) at System.Windows.Input.MouseButtonEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget) at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target) at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs) at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised) at System.Windows.UIElement.ReRaiseEventAs(DependencyObject sender, RoutedEventArgs args, RoutedEvent newEvent) at System.Windows.UIElement.OnMouseUpThunk(Object sender, MouseButtonEventArgs e) at System.Windows.Input.MouseButtonEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget) at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target) at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs) at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised) at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args) at System.Windows.ContentElement.RaiseTrustedEvent(RoutedEventArgs args) at System.Windows.Input.InputManager.ProcessStagingArea() at System.Windows.Input.InputManager.ProcessInput(InputEventArgs input) at System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport) at System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawMouseActions actions, Int32 x, Int32 y, Int32 wheel) at System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr hwnd, WindowMessage msg, IntPtr wParam, IntPtr lParam, Boolean& handled) at System.Windows.Interop.HwndSource.InputFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled) at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled) at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o) at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs) at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)

Server Version : 1.3.0.96 Studio Version : 1.3.0.96 Email Address : No Email Provided Steps to follow : No Steps Provided at Dev2.Studio.ViewModels.Workflow.WorkflowDesignerViewModel.b__144_0(Object param) at Dev2.Runtime.Configuration.ViewModels.Base.DelegateCommand.Execute(Object parameter) at MS.Internal.Commands.CommandHelpers.CriticalExecuteCommandSource(ICommandSource commandSource, Boolean userInitiated) at System.Windows.Documents.Hyperlink.OnClick() at System.Windows.Documents.Hyperlink.DispatchNavigation(Object sender) at System.Windows.Documents.Hyperlink.DoUserInitiatedNavigation(Object sender) at System.Windows.Documents.Hyperlink.OnMouseLeftButtonUp(Object sender, MouseButtonEventArgs e) at System.Windows.Documents.Hyperlink.OnMouseLeftButtonUp(MouseButtonEventArgs e) at System.Windows.UIElement.OnMouseLeftButtonUpThunk(Object sender, MouseButtonEventArgs e) at System.Windows.Input.MouseButtonEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget) at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target) at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs) at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised) at System.Windows.UIElement.ReRaiseEventAs(DependencyObject sender, RoutedEventArgs args, RoutedEvent newEvent) at System.Windows.UIElement.OnMouseUpThunk(Object sender, MouseButtonEventArgs e) at System.Windows.Input.MouseButtonEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget) at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target) at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs) at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised) at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args) at System.Windows.ContentElement.RaiseTrustedEvent(RoutedEventArgs args) at System.Windows.Input.InputManager.ProcessStagingArea() at System.Windows.Input.InputManager.ProcessInput(InputEventArgs input) at System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport) at System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawMouseActions actions, Int32 x, Int32 y, Int32 wheel) at System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr hwnd, WindowMessage msg, IntPtr wParam, IntPtr lParam, Boolean& handled) at System.Windows.Interop.HwndSource.InputFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled) at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled) at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o) at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs) at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)

Server Version : 0.0.6163.24677

Studio Version : 0.0.6163.24686

Email Address : BB

Steps to follow : Setting items to deploy

at Infragistics.Controls.Menus.Primitives.NodesPanel.RenderNode(XamDataTreeNode node, Double availableWidth)
at Infragistics.Controls.Menus.Primitives.NodesPanel.MeasureOverride(Size availableSize)
at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
at System.Windows.UIElement.Measure(Size availableSize)
at Infragistics.Controls.Menus.Primitives.NodesPanel.MeasureOverride(Size availableSize)
at System.Windows.FrameworkElement.MeasureCore(Size availableSize)
at System.Windows.UIElement.Measure(Size availableSize)
at System.Windows.ContextLayoutManager.UpdateLayout()
at System.Windows.ContextLayoutManager.UpdateLayoutCallback(Object arg)
at System.Windows.Media.MediaContext.InvokeOnRenderCallback.DoWork()
at System.Windows.Media.MediaContext.FireInvokeOnRenderCallbacks()
at System.Windows.Media.MediaContext.RenderMessageHandlerCore(Object resizedCompositionTarget)
at System.Windows.Media.MediaContext.RenderMessageHandler(Object resizedCompositionTarget)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)

Server Version : 0.0.6163.24677

Studio Version : 0.0.6163.24686

Email Address : BB

Steps to follow : After deploying TUHUB-STG01.permier.local to myself

at MS.Win32.UnsafeNativeMethods.PostMessage(HandleRef hwnd, WindowMessage msg, IntPtr wparam, IntPtr lparam)
at System.Windows.Interop.HwndTarget.UpdateWindowSettings(Boolean enableRenderTarget, Nullable`1 channelSet)
at System.Windows.Interop.HwndTarget.UpdateWindowPos(IntPtr lParam)
at System.Windows.Interop.HwndTarget.HandleMessage(WindowMessage msg, IntPtr wparam, IntPtr lparam)
at System.Windows.Interop.HwndSource.HwndTargetFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)

Server Version : 0.0.6161.17062

Studio Version : 0.0.6161.19990

Email Address : No Email Provided

Steps to follow : No Steps Provided

at Warewolf.Studio.ServerProxyLayer.QueryManagerProxy.FetchDbSources() in C:\Users\guzzi\Desktop\Warewolf\Dev\Warewolf.Studio.ServerProxyLayer\QueryManagerProxy.cs:line 177
at Warewolf.Studio.ViewModels.ManageDbServiceModel.RetrieveSources() in C:\Users\guzzi\Desktop\Warewolf\Dev\Warewolf.Studio.ViewModels\ManageDbServiceModel.cs:line 40
at Dev2.Activities.Designers2.Core.Source.DatabaseSourceRegion..ctor(IDbServiceModel model, ModelItem modelItem, enSourceType type) in C:\Users\guzzi\Desktop\Warewolf\Dev\Dev2.Activities.Designers\Designers2\Core\Source\DatabaseSourceRegion.cs:line 43
at Dev2.Activities.Designers2.SqlServerDatabase.SqlServerDatabaseDesignerViewModel.BuildRegions() in C:\Users\guzzi\Desktop\Warewolf\Dev\Dev2.Activities.Designers\Designers2\SqlServerDatabase\SqlServerDatabaseDesignerViewModel.cs:line 339
at Dev2.Activities.Designers2.SqlServerDatabase.SqlServerDatabaseDesignerViewModel.InitialiseViewModel(IManageDatabaseInputViewModel manageServiceInputViewModel) in C:\Users\guzzi\Desktop\Warewolf\Dev\Dev2.Activities.Designers\Designers2\SqlServerDatabase\SqlServerDatabaseDesignerViewModel.cs:line 97
at Dev2.Activities.Designers2.SqlServerDatabase.SqlServerDatabaseDesignerViewModel.SetupCommonProperties() in C:\Users\guzzi\Desktop\Warewolf\Dev\Dev2.Activities.Designers\Designers2\SqlServerDatabase\SqlServerDatabaseDesignerViewModel.cs:line 80
at Dev2.Activities.Designers2.SqlServerDatabase.SqlServerDatabaseDesignerViewModel..ctor(ModelItem modelItem) in C:\Users\guzzi\Desktop\Warewolf\Dev\Dev2.Activities.Designers\Designers2\SqlServerDatabase\SqlServerDatabaseDesignerViewModel.cs:line 71
at Dev2.Activities.Designers2.SqlServerDatabase.SqlServerDatabaseDesigner.CreateViewModel() in C:\Users\guzzi\Desktop\Warewolf\Dev\Dev2.Activities.Designers\Designers2\SqlServerDatabase\SqlServerDatabaseDesigner.xaml.cs:line 22
at Dev2.Activities.Designers2.Core.ActivityDesigner`1.OnLoaded() in C:\Users\guzzi\Desktop\Warewolf\Dev\Dev2.Activities.Designers\Designers2\Core\ActivityDesigner.cs:line 181
at Dev2.Activities.Designers2.Core.ActivityDesigner`1.OnRoutedEventHandler(Object sender, RoutedEventArgs args) in C:\Users\guzzi\Desktop\Warewolf\Dev\Dev2.Activities.Designers\Designers2\Core\ActivityDesigner.cs:line 297
at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
at System.Windows.UIElement.RaiseEvent(RoutedEventArgs e)
at System.Windows.BroadcastEventHelper.BroadcastEvent(DependencyObject root, RoutedEvent routedEvent)
at System.Windows.BroadcastEventHelper.BroadcastLoadedEvent(Object root)
at MS.Internal.LoadedOrUnloadedOperation.DoWork()
at System.Windows.Media.MediaContext.FireLoadedPendingCallbacks()
at System.Windows.Media.MediaContext.FireInvokeOnRenderCallbacks()
at System.Windows.Media.MediaContext.RenderMessageHandlerCore(Object resizedCompositionTarget)
at System.Windows.Media.MediaContext.RenderMessageHandler(Object resizedCompositionTarget)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)

Server Version : 0.0.6158.37695

Studio Version : 0.0.6158.42621

Email Address : No Email Provided

Steps to follow : No Steps Provided

at Warewolf.Studio.ServerProxyLayer.QueryManagerProxy.FetchPluginSources() in C:\Users\guzzi\Desktop\Warewolf\Dev\Warewolf.Studio.ServerProxyLayer\QueryManagerProxy.cs:line 482
at Warewolf.Studio.ViewModels.ManagePluginServiceModel.RetrieveSources() in C:\Users\guzzi\Desktop\Warewolf\Dev\Warewolf.Studio.ViewModels\ManagePluginServiceModel.cs:line 48
at Dev2.Activities.Designers2.Core.Source.DotNetSourceRegion..ctor(IPluginServiceModel model, ModelItem modelItem)
at Dev2.Activities.Designers2.Net_DLL.DotNetDllViewModel.BuildRegions()
at Dev2.Activities.Designers2.Net_DLL.DotNetDllViewModel.InitialiseViewModel(IManagePluginServiceInputViewModel manageServiceInputViewModel)
at Dev2.Activities.Designers2.Net_DLL.DotNetDllViewModel.SetupCommonProperties()
at Dev2.Activities.Designers2.Net_DLL.DotNetDllViewModel..ctor(ModelItem modelItem)
at Dev2.Activities.Designers2.Net_DLL.DotNetDllDesigner.CreateViewModel()
at Dev2.Activities.Designers2.Core.ActivityDesigner`1.OnLoaded()
at Dev2.Activities.Designers2.Core.ActivityDesigner`1.OnRoutedEventHandler(Object sender, RoutedEventArgs args)
at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
at System.Windows.UIElement.RaiseEvent(RoutedEventArgs e)
at System.Windows.BroadcastEventHelper.BroadcastEvent(DependencyObject root, RoutedEvent routedEvent)
at System.Windows.BroadcastEventHelper.BroadcastLoadedEvent(Object root)
at MS.Internal.LoadedOrUnloadedOperation.DoWork()
at System.Windows.Media.MediaContext.FireLoadedPendingCallbacks()
at System.Windows.Media.MediaContext.FireInvokeOnRenderCallbacks()
at System.Windows.Media.MediaContext.RenderMessageHandlerCore(Object resizedCompositionTarget)
at System.Windows.Media.MediaContext.RenderMessageHandler(Object resizedCompositionTarget)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)

Server Version : 1.3.0.96 Studio Version : 1.3.0.96 Email Address : hagashen.naidu@dev2.co.za Steps to follow : Select Dependencies.. .Deploy at Infragistics.Controls.Menus.NodesManager.ItemSource_PropertyChanged(Object sender, PropertyChangedEventArgs e) at System.ComponentModel.PropertyChangedEventHandler.Invoke(Object sender, PropertyChangedEventArgs e) at Microsoft.Practices.Prism.Mvvm.BindableBase.OnPropertyChanged(String propertyName) at Warewolf.Studio.ViewModels.ExplorerItemViewModel.set_IsSelected(Boolean value) at Warewolf.Studio.ViewModels.ExplorerItemViewModel.set_IsResourceChecked(Nullable`1 value) at Warewolf.Studio.ViewModels.SingleExplorerDeployViewModel.<>c.b__55_2(IExplorerItemViewModel a) at Caliburn.Micro.ExtensionMethods.Apply[T](IEnumerable`1 enumerable, Action`1 action) at Warewolf.Studio.ViewModels.SingleExplorerDeployViewModel.SelectDependencies() at Microsoft.Practices.Prism.Commands.DelegateCommand.<>c__DisplayClass6.<.ctor>b__2(Object o) at Microsoft.Practices.Prism.Commands.DelegateCommandBase.<>c__DisplayClass2.<.ctor>b__0(Object arg) at Microsoft.Practices.Prism.Commands.DelegateCommandBase.d__7.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.Practices.Prism.Commands.DelegateCommandBase.d__4.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.AsyncMethodBuilderCore.<>c.b__6_0(Object state) at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs) at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)

Server Version : 0.0.6157.38295

Studio Version : 0.0.6157.39029

Email Address : No Email Provided

Steps to follow : No Steps Provided

at Infragistics.Controls.Menus.XamDataTree.SetActiveNodeInternal(XamDataTreeNode node, TreeInvokeAction action, Boolean scrollToView)
at Infragistics.Controls.Menus.XamDataTreeNode.OnNodeMouseDown(MouseEventArgs e)
at Infragistics.Controls.Menus.XamDataTree.XamDataTree_MouseLeftButtonDown(Object sender, MouseButtonEventArgs e)
at System.Windows.Input.MouseButtonEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget)
at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
at System.Windows.UIElement.ReRaiseEventAs(DependencyObject sender, RoutedEventArgs args, RoutedEvent newEvent)
at System.Windows.UIElement.OnMouseDownThunk(Object sender, MouseButtonEventArgs e)
at System.Windows.Input.MouseButtonEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget)
at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
at System.Windows.UIElement.RaiseTrustedEvent(RoutedEventArgs args)
at System.Windows.UIElement.RaiseEvent(RoutedEventArgs args, Boolean trusted)
at System.Windows.Input.InputManager.ProcessStagingArea()
at System.Windows.Input.InputManager.ProcessInput(InputEventArgs input)
at System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport)
at System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawMouseActions actions, Int32 x, Int32 y, Int32 wheel)
at System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr hwnd, WindowMessage msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
at System.Windows.Interop.HwndSource.InputFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
at MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
at MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)

Server Version : 0.0.6156.14838 Studio Version : 0.0.6156.14849 Email Address : BB Steps to follow : 1. Type into the filter box in Variables 2. Click the X to clear the filter OBSERVE: This error at System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource) at System.Collections.Generic.List`1.Enumerator.MoveNextRare() at System.Collections.Generic.List`1.Enumerator.MoveNext() at Dev2.Studio.ViewModels.DataList.DataListViewModel.FilterCollection(String searchText) in C:\Development\Repos\Warewolf-ESB\Dev\Dev2.Studio.Core\DataList\DataListViewModel.cs:line 110 at Dev2.Studio.ViewModels.DataList.DataListViewModel.set_SearchText(String value) in C:\Development\Repos\Warewolf-ESB\Dev\Dev2.Studio.Core\DataList\DataListViewModel.cs:line 94 at Dev2.Studio.ViewModels.DataList.DataListViewModel.<.ctor>b__48_0() in C:\Development\Repos\Warewolf-ESB\Dev\Dev2.Studio.Core\DataList\DataListViewModel.cs:line 278 at Microsoft.Practices.Prism.Commands.DelegateCommand.<>c__DisplayClass6.<.ctor>b__2(Object o) at Microsoft.Practices.Prism.Commands.DelegateCommandBase.<>c__DisplayClass2.<.ctor>b__0(Object arg) at Microsoft.Practices.Prism.Commands.DelegateCommandBase.d__7.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) at Microsoft.Practices.Prism.Commands.DelegateCommandBase.d__4.MoveNext() --- End of stack trace from previous location where exception was thrown --- at System.Runtime.CompilerServices.AsyncMethodBuilderCore.<>c.b__6_0(Object state) at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs) at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)