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Hi all. Can you please help? My app was on 9.05 and got an error traying to go to 9.3 directly. Then I installed/opened/auto-converted to 9.2 with no issues. But now 9.3 is giving me errors every time: Mendix.Modeler.Utility.Progress.ProgressException ---> System.NullReferenceException: Object reference not set to an instance of an object.    at Mendix.Modeler.WebUI.Forms.Widgets.EntityWidgets.ListViews.ListView.HasListViewControls(IDocument document) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\EntityWidgets\ListViews\ListView.cs:line 126    at System.Linq.Enumerable.Any[TSource](IEnumerable`1 source, Func`2 predicate)    at Mendix.Modeler.WebUI.Forms.Widgets.EntityWidgets.ListViews.ListView.Mendix.Modeler.Projects.IPostprocess.Postprocess() in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.WebUI\Forms\Widgets\EntityWidgets\ListViews\ListView.cs:line 123    at Mendix.Modeler.Projects.Postprocessor.<>c.<Postprocess>b__0_0(IPostprocess obj) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Core\Projects\Postprocessor.cs:line 14    at Mendix.Modeler.Storage.Operations.TypeWalk.ForEachObjectDo(IStorageObject root, Func`2 work, Boolean skipExcludedObjects) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Storage\Operations\TypeWalk.cs:line 88    at Mendix.Modeler.Storage.Operations.TypeWalk.ForEachObjectDo(IStorageObject root, Func`2 work, Boolean skipExcludedObjects) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Storage\Operations\TypeWalk.cs:line 92    at Mendix.Modeler.Storage.Operations.TypeWalk.ForEachObjectDo(IStorageObject root, Func`2 work, Boolean skipExcludedObjects) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Storage\Operations\TypeWalk.cs:line 92    at Mendix.Modeler.Storage.Operations.TypeWalk.ForEachObjectDo(IStorageObject root, Func`2 work, Boolean skipExcludedObjects) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Storage\Operations\TypeWalk.cs:line 92    at Mendix.Modeler.Storage.Operations.TypeWalk.ForEachObjectDo(IStorageObject root, Func`2 work, Boolean skipExcludedObjects) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Storage\Operations\TypeWalk.cs:line 92    at Mendix.Modeler.Storage.Operations.TypeWalk.ForEachObjectDo(IStorageObject root, Func`2 work, Boolean skipExcludedObjects) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Storage\Operations\TypeWalk.cs:line 92    at Mendix.Modeler.Storage.Operations.TypeWalk.ForEachObjectDo(IStorageObject root, Func`2 work, Boolean skipExcludedObjects) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Storage\Operations\TypeWalk.cs:line 92    at Mendix.Modeler.Storage.Operations.TypeWalk.ForEachObjectDo(IStorageObject root, Func`2 work, Boolean skipExcludedObjects) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Storage\Operations\TypeWalk.cs:line 92    at Mendix.Modeler.Storage.Operations.TypeWalk.ForEachObjectDo(IStorageObject root, Func`2 work, Boolean skipExcludedObjects) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Storage\Operations\TypeWalk.cs:line 92    at Mendix.Modeler.Storage.Operations.TypeWalk.ForEachObjectDo(IStorageObject root, Func`2 work, Boolean skipExcludedObjects) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Storage\Operations\TypeWalk.cs:line 92    at Mendix.Modeler.Storage.Operations.TypeWalk.ForEachObjectDo(IStorageObject root, Func`2 work, Boolean skipExcludedObjects) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Storage\Operations\TypeWalk.cs:line 92    at Mendix.Modeler.Projects.ProjectUtil.PostprocessProject(IProject project) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.Core\Projects\ProjectUtil.cs:line 30    at Mendix.Modeler.ProjectHandling.Openers.ProjectFileOpenerUI.<AddInitializeProjectStep>b__49_0(IProgressInfo info) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.ProjectHandling\Openers\ProjectFileOpenerUI.cs:line 424    at Mendix.Modeler.UIFramework.Progress.ProcessRunner.RunStep(Step step) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.UIFramework\Progress\ProcessRunner.cs:line 101    at Mendix.Modeler.UIFramework.Progress.ProcessRunner.OnDoWork(Object sender, DoWorkEventArgs e) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.UIFramework\Progress\ProcessRunner.cs:line 74    at System.ComponentModel.BackgroundWorker.OnDoWork(DoWorkEventArgs e)    at System.ComponentModel.BackgroundWorker.WorkerThreadStart(Object argument)    --- End of inner exception stack trace ---    at Mendix.Modeler.UIFramework.Progress.ProcessRunner.Run() in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.UIFramework\Progress\ProcessRunner.cs:line 52    at Mendix.Modeler.ProjectHandling.Openers.ProjectFileOpenerUI.DoOpenProject() in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.ProjectHandling\Openers\ProjectFileOpenerUI.cs:line 177    at Mendix.Modeler.ProjectHandling.Openers.ProjectFileOpenerUI.OpenProject() in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.ProjectHandling\Openers\ProjectFileOpenerUI.cs:line 152    at Mendix.Modeler.ProjectHandling.Openers.ProjectOpenerUI.DoOpenProject(OpenAppData openAppData) in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.ProjectHandling\Openers\ProjectOpenerUI.cs:line 115    at Mendix.Modeler.ProjectHandling.Openers.ProjectOpenerUI.SelectAndOpenProject() in C:\Users\Autobuild\workspace\AppStudio4.0-Build\modeler\Mendix.Modeler.ProjectHandling\Openers\ProjectOpenerUI.cs:line 105    at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)    at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)    at System.Windows.Controls.Primitives.ButtonBase.OnClick()    at System.Windows.Controls.Button.OnClick()    at System.Windows.Controls.Primitives.ButtonBase.OnMouseLeftButtonUp(MouseButtonEventArgs e)    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.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.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)

asked 2021-07-05

1 answers