Attached full trace:
2016-01-10 20:33:40:139 *************** unhandled exception trapped ***************
2016-01-10 20:33:40:139 Object reference not set to an instance of an object.
2016-01-10 20:33:40:140 System.NullReferenceException: Object reference not set to an instance of an object.
at NinjaTrader.Gui.NinjaScript.IndicatorTrackingPrope rties.OnSelectionChanged(Object sender, SelectionChangedEventArgs e)
at System.Windows.Controls.SelectionChangedEventArgs. InvokeEventHandler(Delegate genericHandler, Object genericTarget)
at System.Windows.RoutedEventArgs.InvokeHandler(Deleg ate handler, Object target)
at System.Windows.RoutedEventHandlerInfo.InvokeHandle r(Object target, RoutedEventArgs routedEventArgs)
at System.Windows.EventRoute.InvokeHandlersImpl(Objec t source, RoutedEventArgs args, Boolean reRaised)
at System.Windows.UIElement.RaiseEventImpl(Dependency Object sender, RoutedEventArgs args)
at System.Windows.UIElement.RaiseEvent(RoutedEventArg s e)
at System.Windows.Controls.ComboBox.OnSelectionChange d(SelectionChangedEventArgs e)
at System.Windows.Controls.Primitives.Selector.Invoke SelectionChanged(List`1 unselectedInfos, List`1 selectedInfos)
at System.Windows.Controls.Primitives.Selector.Select ionChanger.End()
at System.Windows.Controls.Primitives.Selector.Select ionChanger.SelectJustThisItem(ItemInfo info, Boolean assumeInItemsCollection)
at System.Windows.Controls.Primitives.Selector.OnSele ctedIndexChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
at System.Windows.DependencyObject.OnPropertyChanged( DependencyPropertyChangedEventArgs e)
at System.Windows.FrameworkElement.OnPropertyChanged( DependencyPropertyChangedEventArgs e)
at System.Windows.DependencyObject.NotifyPropertyChan ge(DependencyPropertyChangedEventArgs args)
at System.Windows.DependencyObject.UpdateEffectiveVal ue(EntryIndex entryIndex, DependencyProperty dp, PropertyMetadata metadata, EffectiveValueEntry oldEntry, EffectiveValueEntry& newEntry, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType)
at System.Windows.DependencyObject.SetValueCommon(Dep endencyProperty dp, Object value, PropertyMetadata metadata, Boolean coerceWithDeferredReference, Boolean coerceWithCurrentValue, OperationType operationType, Boolean isInternal)
at System.Windows.DependencyObject.SetValue(Dependenc yProperty dp, Object value)
at NinjaTrader.Gui.NinjaScript.IndicatorTrackingPrope rties.OnLoaded(Object sender, RoutedEventArgs e)
at System.Windows.RoutedEventHandlerInfo.InvokeHandle r(Object target, RoutedEventArgs routedEventArgs)
at System.Windows.EventRoute.InvokeHandlersImpl(Objec t source, RoutedEventArgs args, Boolean reRaised)
at System.Windows.UIElement.RaiseEventImpl(Dependency Object sender, RoutedEventArgs args)
at System.Windows.UIElement.RaiseEvent(RoutedEventArg s e)
at System.Windows.BroadcastEventHelper.BroadcastEvent (DependencyObject root, RoutedEvent routedEvent)
at System.Windows.BroadcastEventHelper.BroadcastLoade dEvent(Object root)
at MS.Internal.LoadedOrUnloadedOperation.DoWork()
at System.Windows.Media.MediaContext.FireLoadedPendin gCallbacks()
at System.Windows.Media.MediaContext.FireInvokeOnRend erCallbacks()
at System.Windows.Media.MediaContext.RenderMessageHan dlerCore(Object resizedCompositionTarget)
at System.Windows.Media.MediaContext.RenderMessageHan dler(Object resizedCompositionTarget)
at System.Windows.Media.MediaContext.Resize(IComposit ionTarget resizedCompositionTarget)
at System.Windows.Interop.HwndTarget.OnResize()
at System.Windows.Interop.HwndTarget.HandleMessage(Wi ndowMessage msg, IntPtr wparam, IntPtr lparam)
at System.Windows.Interop.HwndSource.HwndTargetFilter Message(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.Internal RealCall(Delegate callback, Object args, Int32 numArgs)
at System.Windows.Threading.ExceptionWrapper.TryCatch When(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)
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