Version 2.12

[257istderboss]

Tried to delete Scheduling entry:

Game time: 1/7/2015 12:00:00 AM
Version: Version 2.12 (Alpha)
7/21/2018: 2:48 PM System.NullReferenceException: Der Objektverweis wurde nicht auf eine Objektinstanz festgelegt.
   bei TheAirlineProjectV2.GraphicsControls.Converters.EnumToDescriptionConverter.Convert(Object value, Type targetType, Object parameter, CultureInfo culture) in C:\Users\Christian\Documents\Visual Studio 2017\Projects\TheAirlineProjectV2\TheAirlineProjectV2.GraphicsControls\Converters\EnumToDescriptionConverter.cs:Zeile 20.
   bei System.Windows.Data.BindingExpression.TransferValue(Object newValue, Boolean isASubPropertyChange)
   bei System.Windows.Data.BindingExpression.Activate(Object item)
   bei System.Windows.Data.BindingExpression.AttachToContext(AttachAttempt attempt)
   bei System.Windows.Data.BindingExpression.AttachOverride(DependencyObject target, DependencyProperty dp)
   bei System.Windows.Data.BindingExpressionBase.OnAttach(DependencyObject d, DependencyProperty dp)
   bei System.Windows.StyleHelper.GetInstanceValue(UncommonField`1 dataField, DependencyObject container, FrameworkElement feChild, FrameworkContentElement fceChild, Int32 childIndex, DependencyProperty dp, Int32 i, EffectiveValueEntry& entry)
   bei System.Windows.FrameworkTemplate.ReceivePropertySet(Object targetObject, XamlMember member, Object value, DependencyObject templatedParent)
   bei System.Windows.FrameworkTemplate.<>c__DisplayClass45_0.<LoadOptimizedTemplateContent>b__3(Object sender, XamlSetValueEventArgs setArgs)
   bei System.Xaml.XamlObjectWriter.OnSetValue(Object eventSender, XamlMember member, Object value)
   bei System.Xaml.XamlObjectWriter.Logic_ApplyPropertyValue(ObjectWriterContext ctx, XamlMember prop, Object value, Boolean onParent)
   bei System.Xaml.XamlObjectWriter.Logic_DoAssignmentToParentProperty(ObjectWriterContext ctx)
   bei System.Xaml.XamlObjectWriter.Logic_AssignProvidedValue(ObjectWriterContext ctx)
   bei System.Xaml.XamlObjectWriter.WriteEndObject()
   bei System.Windows.FrameworkTemplate.LoadTemplateXaml(XamlReader templateReader, XamlObjectWriter currentWriter)
   bei System.Windows.FrameworkTemplate.LoadTemplateXaml(XamlObjectWriter objectWriter)
   bei System.Windows.FrameworkTemplate.LoadOptimizedTemplateContent(DependencyObject container, IComponentConnector componentConnector, IStyleConnector styleConnector, List`1 affectedChildren, UncommonField`1 templatedNonFeChildrenField)
   bei System.Windows.FrameworkTemplate.LoadContent(DependencyObject container, List`1 affectedChildren)
   bei System.Windows.StyleHelper.ApplyTemplateContent(UncommonField`1 dataField, DependencyObject container, FrameworkElementFactory templateRoot, Int32 lastChildIndex, HybridDictionary childIndexFromChildID, FrameworkTemplate frameworkTemplate)
   bei System.Windows.FrameworkTemplate.ApplyTemplateContent(UncommonField`1 templateDataField, FrameworkElement container)
   bei System.Windows.FrameworkElement.ApplyTemplate()
   bei System.Windows.FrameworkElement.MeasureCore(Size availableSize)
   bei System.Windows.UIElement.Measure(Size availableSize)
   bei System.Windows.Controls.StackPanel.StackMeasureHelper(IStackMeasure measureElement, IStackMeasureScrollData scrollData, Size constraint)
   bei System.Windows.Controls.StackPanel.MeasureOverride(Size constraint)
   bei System.Windows.FrameworkElement.MeasureCore(Size availableSize)
   bei System.Windows.UIElement.Measure(Size availableSize)
   bei System.Windows.ContextLayoutManager.UpdateLayout()
   bei System.Windows.Interop.HwndSource.SetLayoutSize()
   bei System.Windows.Interop.HwndSource.set_RootVisualInternal(Visual value)
   bei System.Windows.Window.SetRootVisual()
   bei System.Windows.Window.SetRootVisualAndUpdateSTC()
   bei System.Windows.Window.SetupInitialState(Double requestedTop, Double requestedLeft, Double requestedWidth, Double requestedHeight)
   bei System.Windows.Window.CreateSourceWindow(Boolean duringShow)
   bei System.Windows.Window.ShowHelper(Object booleanBox)
   bei System.Windows.Window.ShowDialog()
   bei TheAirlineProjectV2.Modules.Routes.ViewModels.RoutesAirlinersViewModel.selectEntry(RouteSchedulerItem entry) in C:\Users\Christian\Documents\Visual Studio 2017\Projects\TheAirlineProjectV2\TheAirlineProjectV2.Modules.Routes\ViewModels\RoutesAirlinersViewModel.cs:Zeile 597.
   bei TheAirlineProjectV2.Modules.Routes.Views.RoutesAirlinersWindow.Timeline_ElementSelected(String uid) in C:\Users\Christian\Documents\Visual Studio 2017\Projects\TheAirlineProjectV2\TheAirlineProjectV2.Modules.Routes\Views\RoutesAirlinersWindow.xaml.cs:Zeile 58.
   bei TheAirlineProjectV2.GraphicsControls.Controls.TimelineControls.Timeline.Te_MouseLeftButtonDown(Object sender, MouseButtonEventArgs e) in C:\Users\Christian\Documents\Visual Studio 2017\Projects\TheAirlineProjectV2\TheAirlineProjectV2.GraphicsControls\Controls\TimelineControls\Timeline.xaml.cs:Zeile 122.
   bei System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
   bei System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   bei System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   bei System.Windows.UIElement.ReRaiseEventAs(DependencyObject sender, RoutedEventArgs args, RoutedEvent newEvent)
   bei System.Windows.UIElement.OnMouseDownThunk(Object sender, MouseButtonEventArgs e)
   bei System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
   bei System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   bei System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   bei System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
   bei System.Windows.UIElement.RaiseTrustedEvent(RoutedEventArgs args)
   bei System.Windows.Input.InputManager.ProcessStagingArea()
   bei System.Windows.Input.InputManager.ProcessInput(InputEventArgs input)
   bei System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport)
   bei System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawMouseActions actions, Int32 x, Int32 y, Int32 wheel)
   bei System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr hwnd, WindowMessage msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   bei System.Windows.Interop.HwndSource.InputFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   bei MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   bei MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   bei System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   bei System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   bei System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   bei MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
   bei MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg)
   bei System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame)
   bei System.Windows.Application.RunDispatcher(Object ignore)
   bei System.Windows.Application.RunInternal(Window window)
   bei TheAirlineProjectV2.App.Main()