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  Not able to the Navigation for the following error :   System.NullReferenceException: Object reference not set to an instance of an object.   at Mendix.Modeler.WebUI.Forms.Actions.CreateObjectClientAction.GetAllowedRoles() in Mendix.Modeler.WebUI\Forms\Actions\CreateObjectClientAction.cs:line 108   at Mendix.Modeler.WebUI.View.MenuEditor.MenuItemNode..ctor(MenuItem element, IIconVisualizer iconVisualizer, IIconManager iconManager) in Mendix.Modeler.WebUI.View\MenuEditor\MenuItemNode.cs:line 19   at Mendix.Modeler.WebUI.View.MenuEditor.MenuTreeViewModel.CreateNode(MenuItem item) in Mendix.Modeler.WebUI.View\MenuEditor\MenuTreeViewModel.cs:line 115   at System.Linq.Enumerable.SelectIListIterator`2.MoveNext()   at System.Linq.Enumerable.CastIterator[TResult](IEnumerable source)+MoveNext()   at System.Linq.Enumerable.CastIterator[TResult](IEnumerable source)+MoveNext()   at Mendix.Modeler.Controls.Tree.Node.AddRange(IEnumerable`1 nodes) in Mendix.Modeler.Controls\Tree\Nodes\Node.cs:line 222   at Mendix.Modeler.Controls.Tree.Node`1.AddRange(IEnumerable`1 nodes) in Mendix.Modeler.Controls\Tree\Nodes\NodeOfT.cs:line 24   at Mendix.Modeler.WebUI.View.MenuEditor.MenuTreeViewModel.CreateNode(MenuItem item) in Mendix.Modeler.WebUI.View\MenuEditor\MenuTreeViewModel.cs:line 116   at System.Linq.Enumerable.SelectIListIterator`2.MoveNext()   at System.Linq.Enumerable.CastIterator[TResult](IEnumerable source)+MoveNext()   at System.Linq.Enumerable.CastIterator[TResult](IEnumerable source)+MoveNext()   at Mendix.Modeler.Controls.Tree.Node.AddRange(IEnumerable`1 nodes) in Mendix.Modeler.Controls\Tree\Nodes\Node.cs:line 222   at Mendix.Modeler.Controls.Tree.Node`1.AddRange(IEnumerable`1 nodes) in Mendix.Modeler.Controls\Tree\Nodes\NodeOfT.cs:line 24   at Mendix.Modeler.WebUI.View.MenuEditor.MenuTreeViewModel.CreateNode(MenuItem item) in Mendix.Modeler.WebUI.View\MenuEditor\MenuTreeViewModel.cs:line 116   at System.Linq.Enumerable.SelectIListIterator`2.ToArray()   at Mendix.Modeler.WebUI.View.MenuEditor.MenuTreeViewModel.Rebuild() in Mendix.Modeler.WebUI.View\MenuEditor\MenuTreeViewModel.cs:line 98   at Mendix.Modeler.WebUI.View.MenuEditor.MenuTreeViewModel..ctor(MenuItemCollection menuItemCollection, Selection editorSelection, IIconVisualizer iconVisualizer, IIconManager iconManager, IDragDropHelper dragDropHelper, ICopier copier, INameEditor nameEditor, IDialogManager dialogManager, IDocumentViewManager documentViewManager) in Mendix.Modeler.WebUI.View\MenuEditor\MenuTreeViewModel.cs:line 68   at Mendix.Modeler.WebUI.View.MenuEditor.MenuTreeControl..ctor(MenuItemCollection menuItems, Selection editorSelection, IIconVisualizer iconVisualizer, IIconManager iconManager, IDragDropHelper dragDropHelper, ICopier copier, INameEditor nameEditor, IDialogManager dialogManager, IDocumentViewManager documentViewManager) in Mendix.Modeler.WebUI.View\MenuEditor\MenuTreeControl.cs:line 21   at Mendix.Modeler.WebUI.View.Navigation.Web.NavigationProfileFormPart.CreateEtoNavigationControl() in Mendix.Modeler.WebUI.View\Navigation\Web\NavigationProfileFormPart.cs:line 139   at Mendix.Modeler.UIFramework.CustomControlSpec`1.CreateInnerControl(IUIFrameworkControlInner uiFrameworkControl) in Mendix.Modeler.UIFramework\Specs\CustomControlSpec.cs:line 62   at Mendix.Modeler.UIFramework.InPanelSpec`1.CreateControl(IUIFrameworkControlInner propertiesControl) in Mendix.Modeler.UIFramework\Specs\InPanelSpec.cs:line 29   at Mendix.Modeler.UIFramework.GroupBase.FillControls(IUIFrameworkControlInner propertiesControl, GroupBase oldGroupSpec, Container container) in Mendix.Modeler.UIFramework\Specs\GroupBase.cs:line 44   at Mendix.Modeler.UIFramework.GroupBoxSpec.UpdateControl(IUIFrameworkControlInner propertiesControl, Control control, FormElement oldElement) in Mendix.Modeler.UIFramework\Specs\GroupBoxSpec.cs:line 50   at Mendix.Modeler.UIFramework.GroupBase.FillControls(IUIFrameworkControlInner propertiesControl, GroupBase oldGroupSpec, Container container) in Mendix.Modeler.UIFramework\Specs\GroupBase.cs:line 51   at Mendix.Modeler.UIFramework.TableSpec.UpdateControl(IUIFrameworkControlInner propertiesControl, Control control, FormElement oldElement) in Mendix.Modeler.UIFramework\Specs\TableSpecs\TableSpec.cs:line 89   at Mendix.Modeler.UIFramework.GroupBase.FillControls(IUIFrameworkControlInner propertiesControl, GroupBase oldGroupSpec, Container container) in Mendix.Modeler.UIFramework\Specs\GroupBase.cs:line 51   at Mendix.Modeler.UIFramework.TabControlSpec.InternalUpdateControl(IUIFrameworkControlInner propertiesControl, TabControl tabControl, FormElement oldElement, Boolean firstRun) in Mendix.Modeler.UIFramework\Specs\TabControlSpecs\TabControlSpec.cs:line 157   at Mendix.Modeler.UIFramework.TabControlSpec.UpdateControl(IUIFrameworkControlInner propertiesControl, Control control, FormElement oldElement) in Mendix.Modeler.UIFramework\Specs\TabControlSpecs\TabControlSpec.cs:line 110   at Mendix.Modeler.UIFramework.GroupBase.FillControls(IUIFrameworkControlInner propertiesControl, GroupBase oldGroupSpec, Container container) in Mendix.Modeler.UIFramework\Specs\GroupBase.cs:line 51   at Mendix.Modeler.UIFramework.UIFrameworkEtoControlBase.RebuildContents() in Mendix.Modeler.UIFramework\Controls\UIFrameworkEtoControlBase.cs:line 108   at Mendix.Modeler.UIFramework.UIFrameworkEtoControlBase.Init(IUIFrameworkControlSpec _controlSpec, IFormButtonsManager _formButtonsManager) in Mendix.Modeler.UIFramework\Controls\UIFrameworkEtoControlBase.cs:line 38   at Mendix.Modeler.UIFramework.UIFrameworkControlFactory.Create(IUIFrameworkControlSpec controlSpec) in Mendix.Modeler.UIFramework\Controls\UIFrameworkControlFactory.cs:line 18   at Mendix.Modeler.Core.View.Editors.UIFrameworkTabbedEditor.Init(IUIFrameworkControlSpec controlSpec) in Mendix.Modeler.Core.View.CrossPlatform\Editors\TabbedEditors\UIFrameworkTabbedEditors\UIFrameworkTabbedEditor.cs:line 43   at Mendix.Modeler.WebUI.View.Navigation.NavigationEditor..ctor(NavigationDocument document, IEnumerable`1 formPartFactories, IProjectManager projectManager, IStorageUI storageUI, IToolWindowManager toolWindowManager, IClipboard clipboard, IModelerSettingsManager modelerSettingsManager, IUIFrameworkControlFactory uiFrameworkControlFactory, IEnumerable`1 notificationBarFactories, IDialogs dialogs, IDialogManager dialogManager, IOfflineEntityCollector offlineEntityCollector) in Mendix.Modeler.WebUI.View\Navigation\NavigationEditor.cs:line 46   at Mendix.Modeler.WebUI.View.Navigation.NavigationViewProvider.CreateTabbedEditor(NavigationDocument document) in Mendix.Modeler.WebUI.View\Navigation\NavigationViewProvider.cs:line 60   at Mendix.Modeler.Core.View.Editors.TabbedDocumentViewProviderBase`1.Mendix.Modeler.Core.View.Editors.IDocumentViewProvider.CreateTabbedEditor(IDocumentBase document) in Mendix.Modeler.Core.View.CrossPlatform\Editors\TabbedEditors\TabbedDocumentViewProviderBase.cs:line 13   at Mendix.Modeler.Core.View.MainWindow.DockControlViewModel.<>c__DisplayClass65_0.<AddTabbedEditor>b__1() in Mendix.Modeler.Core.View.CrossPlatform\MainWindow\DockControlViewModel.cs:line 232   at Mendix.Modeler.Controls.GuiThreadExecutor.<>c__DisplayClass5_0`1.<WrapActionWithRethrowHack>b__0() in Mendix.Modeler.Controls\GuiThreadExecutor.cs:line 56--- End of stack trace from previous location ---   at Mendix.Modeler.Controls.GuiThreadExecutor.Rethrow(Exception ex) in Mendix.Modeler.Controls\GuiThreadExecutor.cs:line 69   at Mendix.Modeler.Controls.GuiThreadExecutor.<>c__DisplayClass5_0`1.<WrapActionWithRethrowHack>b__0() in Mendix.Modeler.Controls\GuiThreadExecutor.cs:line 60   at Eto.Forms.Application.<>c__DisplayClass68_0`1.<Invoke>b__0()   at Eto.Forms.Application.Invoke[T](Func`1 func)   at Mendix.Modeler.Controls.GuiThreadExecutor.Execute[T](Func`1 func) in Mendix.Modeler.Controls\GuiThreadExecutor.cs:line 19   at Mendix.Modeler.Core.View.MainWindow.DockControlViewModel.AddTabbedEditor(IDocumentBase document) in Mendix.Modeler.Core.View.CrossPlatform\MainWindow\DockControlViewModel.cs:line 231   at Mendix.Modeler.MainWindow.Managers.TabbedEditorManager.EditDocument(IDocumentBase document) in Mendix.Modeler.MainWindow\Managers\TabbedEditorManager.cs:line 69   at Mendix.Modeler.Core.View.Editors.DocumentViewManager.EditInTabbedEditor(IDocument document, FocusInfo focusInfo) in Mendix.Modeler.Core.View.CrossPlatform\Editors\DocumentViewManager.cs:line 89   at Mendix.Modeler.Core.View.Editors.DocumentViewManager.EditDocument(IDocument document, FocusInfo focusInfo) in Mendix.Modeler.Core.View.CrossPlatform\Editors\DocumentViewManager.cs:line 69   at Mendix.Modeler.Common.DocumentUtil.ObsoleteEdit(IDocument document, FocusInfo focusInfo) in Mendix.Modeler.Core\Common\Model\DocumentUtil.cs:line 15   at Mendix.Modeler.Common.DocumentLocation.GoTo() in Mendix.Modeler.Core\Common\Problems\DocumentLocation.cs:line 40   at Mendix.Modeler.Core.View.ToolWindows.ProblemModel.Navigate() in Mendix.Modeler.Core.View.CrossPlatform\ToolWindows\ErrorList\ProblemModel.cs:line 74   at Mendix.Modeler.Core.View.ToolWindows.ProblemViewModel.Navigate() in Mendix.Modeler.Core.View.CrossPlatform\ToolWindows\ErrorList\ProblemViewModel.cs:line 40   at Mendix.Modeler.Core.View.ToolWindows.ErrorListGrid.<>c.<Init>b__5_0(List`1 selectedProblems) in Mendix.Modeler.Core.View.CrossPlatform\ToolWindows\ErrorList\ErrorListGrid.cs:line 57   at Mendix.Modeler.Controls.Grids.EtoGridConfig`1.OnActivateRow(Object sender, TObj e) in Mendix.Modeler.Controls\Grids\EtoGridConfig.cs:line 522   at Mendix.Modeler.Controls.Grids.Grid`1.ResultOnCellDoubleClick(Object sender, GridCellMouseEventArgs e) in Mendix.Modeler.Controls\Grids\GridOfT.cs:line 443   at Eto.PropertyStore.TriggerEvent[T](Object key, Object sender, T args)   at Eto.Forms.Grid.OnCellDoubleClick(GridCellMouseEventArgs e)   at Eto.Forms.Grid.Callback.OnCellDoubleClick(Grid widget, GridCellMouseEventArgs e)   at Mendix.Modeler.Controls.Windows.Grids.EtoGridHandler.OnControlMouseDoubleClicked(Object sender, MouseButtonEventArgs e) in Mendix.Modeler.Controls.Windows\Grids\EtoGridHandler.cs:line 307   at System.Windows.Input.MouseButtonEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget)   at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)   at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)   at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)   at System.Windows.Controls.Control.OnMouseDoubleClick(MouseButtonEventArgs e)   at System.Windows.Controls.Control.HandleDoubleClick(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.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.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.Input.InputManager.ProcessStagingArea()   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)

asked 2024-05-29

1 answers