Automatic scheduler didn't create all return flights

[Tjoeker]

While trying to reproduce Pico's bug, I found another bug.
I don't exactly what happened there.

I scheduled 3 weekly flights between Athens and Budapest, with the auto-schedule option for the return flight on.

It only created the return flight for the first flight (Monday).

Then when I tried to remove the flights it did create (because I wanted to try it again) the game crashed.

Here is the crash report:

Code:

2/01/2018: 16:29 System.Collections.Generic.KeyNotFoundException: De gegeven sleutel is niet aanwezig in het woordenboek.
   bij System.ThrowHelper.ThrowKeyNotFoundException()
   bij System.Collections.Generic.Dictionary`2.get_Item(TKey key)
   bij TheAirlineProjectV2.Modules.Routes.ViewModels.RoutesAirlinersViewModel.removeEntry(RouteSchedulerItem entry) in C:\Users\Christian\Documents\Visual Studio 2017\Projects\TheAirlineProjectV2\TheAirlineProjectV2.Modules.Routes\ViewModels\RoutesAirlinersViewModel.cs:regel 365
   bij TheAirlineProjectV2.Modules.Routes.Views.RoutesAirlinersWindow.Timeline_ElementDeleted(String uid) in C:\Users\Christian\Documents\Visual Studio 2017\Projects\TheAirlineProjectV2\TheAirlineProjectV2.Modules.Routes\Views\RoutesAirlinersWindow.xaml.cs:regel 54
   bij TheAirlineProjectV2.GraphicsControls.Controls.TimelineControls.Timeline.Te_MouseRightButtonDown(Object sender, MouseButtonEventArgs e) in C:\Users\Christian\Documents\Visual Studio 2017\Projects\TheAirlineProjectV2\TheAirlineProjectV2.GraphicsControls\Controls\TimelineControls\Timeline.xaml.cs:regel 111
   bij System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
   bij System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   bij System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   bij System.Windows.UIElement.ReRaiseEventAs(DependencyObject sender, RoutedEventArgs args, RoutedEvent newEvent)
   bij System.Windows.UIElement.OnMouseDownThunk(Object sender, MouseButtonEventArgs e)
   bij System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
   bij System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   bij System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   bij System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
   bij System.Windows.UIElement.RaiseTrustedEvent(RoutedEventArgs args)
   bij System.Windows.Input.InputManager.ProcessStagingArea()
   bij System.Windows.Input.InputManager.ProcessInput(InputEventArgs input)
   bij System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport)
   bij System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawMouseActions actions, Int32 x, Int32 y, Int32 wheel)
   bij System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr hwnd, WindowMessage msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   bij System.Windows.Interop.HwndSource.InputFilterMessage(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   bij MS.Win32.HwndWrapper.WndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   bij MS.Win32.HwndSubclass.DispatcherCallbackOperation(Object o)
   bij System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   bij System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
   bij System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
   bij MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
   bij MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg)
   bij System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame)
   bij System.Windows.Application.RunDispatcher(Object ignore)
   bij System.Windows.Application.RunInternal(Window window)
   bij TheAirlineProjectV2.App.Main()

[pjank42]

I noticed a general issue which could cause this issue so that have been fixed now