Resolve Error: System.ArgumentException: Font GLYPHICONS Halflings does not support style Regular.

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Hello everyone,   I encountered the above mentioned error after upgrading from Studio Pro 10.1.1 to 10.7.0 when I wanted to open an "Overview" page of some entity. This error prevents me from displaying the page in the editor and therefore prevents me from making any changes to it. I can, however, still run the application without any problems - I just can't edit the one affected page anymore.    I have seen similar issues at https://community.mendix.com/link/space/studio-pro/questions/130824 & https://community.mendix.com/link/space/studio-pro/questions/128151 - yet the proposed solutions did not help me as the issue remains. Has anyone else encountered this issue and was succesfully able to resolve it? ---- Full Error Text: System.ArgumentException: Font 'GLYPHICONS Halflings' does not support style 'Regular'.   at System.Drawing.Font.CreateNativeFont()   at System.Drawing.Font.Initialize(FontFamily family, Single emSize, FontStyle style, GraphicsUnit unit, Byte gdiCharSet, Boolean gdiVerticalFont)   at System.Drawing.Font..ctor(FontFamily family, Single emSize, GraphicsUnit unit)   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.Iconss.LegacyGlyphFontManager.CacheFont(Int32 heightInPixels) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\Iconss\GlyphFontManager.Legacy.cs:line 45   at System.Collections.Concurrent.ConcurrentDictionary`2.GetOrAdd(TKey key, Func`2 valueFactory)   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.Iconss.LegacyGlyphFontManager.GetHalflingsFont(Int32 heightInPixels) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\Iconss\GlyphFontManager.Legacy.cs:line 39   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.ViewHelpers.ButtonConfig.WithIcon[T](T element, Func`1 getCaptionColor, ICustomIconCollectionFontCache customIconCollectionFontCache, ILegacyMxImageCache legacyMxImageCache, ILegacyImageConverter legacyImageConverter) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\ViewHelpers\ButtonConfig.cs:line 64   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.Views.Buttons.DrawableButtonView`1.GetButtonConfig(Boolean includeText) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\Views\Buttons\DrawableButtonView.cs:line 54   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.Views.Buttons.DrawableButtonView`1.CalculateContentSize(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\Views\Buttons\DrawableButtonView.cs:line 40   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.Views.OutlinedDrawableWidgetView`1.CalculateSizeInner(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\Views\OutlinedDrawableWidgetView.cs:line 31   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.ViewHelpers.DrawableWidgetContainerViewHelper.CalculateSize(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\ViewHelpers\DrawableWidgetContainerViewHelper.cs:line 68   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.ViewHelpers.DrawableWidgetContainerViewHelper.CalculateSizeAndReturnIt(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\ViewHelpers\DrawableWidgetContainerViewHelper.cs:line 57   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.Views.EntityWidgets.DrawableDataViewFooterView.CalculateSizeInner(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\Views\EntityWidgets\DrawableDataViewFooterView.cs:line 21   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.Views.DrawableViewExtensions.CalculateSize(IDeterminesHeight view, Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\Views\DrawableViewExtensions.cs:line 27   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.ViewHelpers.ViewHelperFromDeterminesHeight.CalculateSize(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\ViewHelpers\ViewHelperFromDeterminesHeight.cs:line 15   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.ViewHelpers.TopBottomViewHelper.CalculateSize(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\ViewHelpers\TopBottomViewHelper.cs:line 22   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.ViewHelpers.TopBottomViewHelper.CalculateSize(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\ViewHelpers\TopBottomViewHelper.cs:line 22   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.Views.EntityWidgets.DrawableEntityWidgetView`1.CalculateContentSize(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\Views\EntityWidgets\DrawableEntityWidgetView.cs:line 58   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.Views.OutlinedDrawableWidgetView`1.CalculateSizeInner(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\Views\OutlinedDrawableWidgetView.cs:line 31   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.ViewHelpers.DrawableWidgetContainerViewHelper.CalculateSize(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\ViewHelpers\DrawableWidgetContainerViewHelper.cs:line 68   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.Views.LayoutWidgets.DrawableLayoutGridColumnView.CalculateSizeInner(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\Views\LayoutWidgets\DrawableLayoutGridColumnView.cs:line 25   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.Views.DrawableViewExtensions.CalculateSize(IDeterminesHeight view, Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\Views\DrawableViewExtensions.cs:line 27   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.ViewHelpers.ViewHelperFromDeterminesHeight.CalculateSize(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\ViewHelpers\ViewHelperFromDeterminesHeight.cs:line 15   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.ViewHelpers.ColumnGroupViewHelper.<>c__DisplayClass5_0.<SetColumnSizes>b__0(ViewHelperAndWeight c) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\ViewHelpers\ColumnGroupViewHelper.cs:line 37   at Mendix.Common.Util.EnumerableUtil.ForEach[T](IEnumerable`1 source, Action`1 action) in Mendix.Common\Util\EnumerableUtil.cs:line 51   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.ViewHelpers.ColumnGroupViewHelper.SetColumnSizes(Graphics graphics, IList`1 flattenedWidths) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\ViewHelpers\ColumnGroupViewHelper.cs:line 37   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.ViewHelpers.ColumnGroupViewHelper.CalculateSize(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\ViewHelpers\ColumnGroupViewHelper.cs:line 30   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.Views.LayoutWidgets.DrawableLayoutGridRowView.CalculateSize(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\Views\LayoutWidgets\DrawableLayoutGridRowView.cs:line 32   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.Views.LayoutWidgets.DrawableLayoutGridView.CalculateContentSize(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\Views\LayoutWidgets\DrawableLayoutGridView.cs:line 27   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.Views.OutlinedDrawableWidgetView`1.CalculateSizeInner(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\Views\OutlinedDrawableWidgetView.cs:line 31   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.ViewHelpers.DrawableWidgetContainerViewHelper.CalculateSize(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\ViewHelpers\DrawableWidgetContainerViewHelper.cs:line 68   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.Views.FormCalls.DrawablePlaceholderView.CalculateSizeInner(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\Views\FormCalls\DrawablePlaceholderView.cs:line 42   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.ViewHelpers.DrawableWidgetContainerViewHelper.CalculateSize(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\ViewHelpers\DrawableWidgetContainerViewHelper.cs:line 68   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.ViewHelpers.DrawableWidgetContainerViewHelper.CalculateSizeAndReturnIt(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\ViewHelpers\DrawableWidgetContainerViewHelper.cs:line 57   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.Views.LayoutWidgets.DrawableScrollContainerRegionView.CalculateSizeInner(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\Views\LayoutWidgets\DrawableScrollContainerRegionView.cs:line 64   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.Views.DrawableViewExtensions.CalculateSize(IDeterminesHeight view, Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\Views\DrawableViewExtensions.cs:line 27   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.ViewHelpers.ViewHelperFromDeterminesHeight.CalculateSize(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\ViewHelpers\ViewHelperFromDeterminesHeight.cs:line 15   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.ViewHelpers.DrawableColumnViewHelper.CalculateSize(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\ViewHelpers\DrawableColumnViewHelper.cs:line 34   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.ViewHelpers.RowViewHelper.CalculateSize(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\ViewHelpers\RowViewHelper.cs:line 20   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.Views.LayoutWidgets.DrawableScrollContainerView.CalculateSizeInner(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\Views\LayoutWidgets\DrawableScrollContainerView.cs:line 101   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.ViewHelpers.DrawableWidgetContainerViewHelper.CalculateSize(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\ViewHelpers\DrawableWidgetContainerViewHelper.cs:line 68   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.Views.Documents.DrawableFormView.CalculateDimensions(Graphics graphics, Size canvasSize) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\Views\Documents\DrawableFormView.cs:line 99   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.Views.FormCalls.FormCallViewHelper.CalculateSize(Graphics graphics, Int32 maxWidth) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\Views\FormCalls\FormCallViewHelper.cs:line 97   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.Views.Documents.DrawableFormView.CalculateDimensions(Graphics graphics, Size canvasSize) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\Views\Documents\DrawableFormView.cs:line 99   at Mendix.Modeler.WebUI.View.Windows.StructureMode.Drawing.Views.Documents.DrawableFormView.CalculateDimensions(Graphics graphics) in Mendix.Modeler.WebUI.View.Windows\StructureMode\Drawing\Views\Documents\DrawableFormView.cs:line 95   at Mendix.Modeler.WebUI.View.Windows.FormEditorControls.FormEditorControl.RefreshContents() in Mendix.Modeler.WebUI.View.Windows\FormEditorControls\FormEditorControl.cs:line 183   at Mendix.Modeler.WebUI.View.Windows.StructureMode.StructureModeEditor.RefreshContents() in Mendix.Modeler.WebUI.View.Windows\StructureMode\StructureModeEditor.cs:line 234   at Mendix.Modeler.WebUI.View.Windows.StructureMode.StructureModeEditor.ShowControl() in Mendix.Modeler.WebUI.View.Windows\StructureMode\StructureModeEditor.cs:line 124   at Mendix.Modeler.WebUI.View.Editors.FormEditor.SetActiveEditor(IPageEditor value, Boolean isInitialLoad) in Mendix.Modeler.WebUI.View\Editors\FormEditor.cs:line 317   at Mendix.Modeler.WebUI.View.Editors.FormEditor.OpenStructureMode(Boolean isInitialLoad) in Mendix.Modeler.WebUI.View\Editors\FormEditor.cs:line 268   at Mendix.Modeler.WebUI.View.Editors.FormEditor.SetInitialEditor() in Mendix.Modeler.WebUI.View\Editors\FormEditor.cs:line 248   at Mendix.Modeler.WebUI.View.Editors.FormEditor.Initialize(IFormBase form, IList`1 notificationBarFactories) in Mendix.Modeler.WebUI.View\Editors\FormEditor.cs:line 226   at Mendix.Modeler.WebUI.View.Editors.FormEditor..ctor(IFormBase form, IProjectManager projectManager, IStorageUI storageUI, IToolWindowManager toolWindowManager, IClipboard clipboard, IDialogs dialogs, IModelerSettingsManager modelerSettingsManager, IPageEditorProvider pageEditorProvider, IGuiThreadExecutor guiThreadExecutor, IActiveProblemsManager activeProblemsManager, IBestPracticeBotController bestPracticeBotController, IAnalyticsEventManager analyticsEventManager, IBuildingBlockProvider buildingBlockProvider, IWidgetPackageManager widgetPackageManager, IEnumerable`1 notificationBarFactories, ITabbedEditorManager tabbedEditorManager, IDocumentViewManager documentViewManager, IWidgetToolRegistry widgetToolRegistry, IDialogManager dialogManager, IFormEditorSelectionHelper selectionHelper) in Mendix.Modeler.WebUI.View\Editors\FormEditor.cs:line 160   at Mendix.Modeler.WebUI.View.Editors.FormEditorFactory.Create(FormBase form) in Mendix.Modeler.WebUI.View\Editors\FormEditorFactory.cs:line 89   at Mendix.Modeler.WebUI.View.Documents.FormBaseViewProvider`1.CreateTabbedEditor(TDocument document) in Mendix.Modeler.WebUI.View\Documents\FormBaseViewProvider.cs:line 19   at Mendix.Modeler.Core.View.Editors.TabbedDocumentViewProviderBase`1.Mendix.Modeler.Core.View.Editors.IDocumentViewProvider.CreateTabbedEditor(IDocumentBase document) in Mendix.Modeler.Core.View\Editors\TabbedEditors\TabbedDocumentViewProviderBase.cs:line 13   at Mendix.Modeler.Core.View.MainWindow.DockControlViewModel.<>c__DisplayClass65_0.<AddTabbedEditor>b__1() in Mendix.Modeler.Core.View\MainWindow\DockControlViewModel.cs:line 235   at Mendix.Modeler.Controls.GuiThreadExecutor.<>c__DisplayClass5_0`1.<WrapActionWithRethrowHack>b__0() in Mendix.Modeler.Controls\GuiThreadExecutor.cs:line 64--- 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 64   at Eto.Forms.Application.<>c__DisplayClass67_0`1.<Invoke>b__0()   at Eto.Forms.Application.Invoke[T](Func`1 func)   at Mendix.Modeler.Core.View.MainWindow.DockControlViewModel.AddTabbedEditor(IDocumentBase document) in Mendix.Modeler.Core.View\MainWindow\DockControlViewModel.cs:line 234   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\Editors\DocumentViewManager.cs:line 89   at Mendix.Modeler.Core.View.Editors.DocumentViewManager.EditDocument(IDocument document, FocusInfo focusInfo) in Mendix.Modeler.Core.View\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.Projects.ProjectExplorers.DocumentNode.ActivateNode() in Mendix.Modeler.Core\Projects\ProjectExplorers\DocumentNode.cs:line 35   at Mendix.Modeler.Core.View.ToolWindows.ProjectExplorer.<>c.<OnActivated>b__33_0(IProjectExplorerNode node) in Mendix.Modeler.Core.View\ToolWindows\ProjectExplorer\ProjectExplorer.cs:line 154   at System.Collections.Generic.List`1.ForEach(Action`1 action)   at Mendix.Modeler.Core.View.ToolWindows.ProjectExplorer.OnActivated(IEnumerable`1 nodes) in Mendix.Modeler.Core.View\ToolWindows\ProjectExplorer\ProjectExplorer.cs:line 154   at Mendix.Modeler.Controls.Tree.TreeViewModel`2.RaiseActivated() in Mendix.Modeler.Controls\Tree\ViewModels\TreeViewModel.cs:line 302   at Mendix.Modeler.Controls.Tree.TreeControl`2.OnActivated(Object sender, TreeGridViewItemEventArgs e) in Mendix.Modeler.Controls\Tree\Views\TreeControl.cs:line 195   at Eto.PropertyStore.TriggerEvent[T](Object key, Object sender, T args)   at Eto.Forms.TreeGridView.OnActivated(TreeGridViewItemEventArgs e)   at Mendix.Modeler.Controls.Tree.TreeControl`2.RaiseActivated() in Mendix.Modeler.Controls\Tree\Views\TreeControl.cs:line 141   at Mendix.Modeler.Controls.Tree.TreeControlMouseHandler`2.OnTreeItemMouseDoubleClick(MouseEventArgs e) in Mendix.Modeler.Controls\Tree\Views\TreeControlMouseHandler.cs:line 31   at Mendix.Modeler.Controls.Tree.IconsAndLabelTreeColumn.InvokeMouseAction(Object s, MouseEventArgs e, Action`1 action) in Mendix.Modeler.Controls\Tree\Views\Columns\IconsAndLabelTreeColumn.cs:line 52   at Mendix.Modeler.Controls.Tree.IconsAndLabelTreeColumn.<Init>b__20_4(Object s, MouseEventArgs e) in Mendix.Modeler.Controls\Tree\Views\Columns\IconsAndLabelTreeColumn.cs:line 39   at Mendix.Modeler.Controls.Windows.Tree.IconsAndLabelTreeColumnHandler.Column.<>c__DisplayClass11_0.<BindEventHandlers>b__2(Object s, MouseButtonEventArgs e) in Mendix.Modeler.Controls.Windows\Tree\IconsAndLabelTreeColumnHandler.cs:line 199   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
2 answers
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This forum post mentions the same issue and there is a solution provided underneath. Can you try the solution and see if it works for you?

answered
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Hi Florian, for me this helped (I'm using Mx 10.8.0):

 

1) Go to App > Tools > Batch Update Button Icons

2) I replaced all my troublesome icons with 'none'

3) Now I can open my pages again

 

image.png

answered