NT8 System Exception

[klaus w]

Hallo NT Support,
I just got the message: (complete trace is attached):

arameter name: key
2017-01-28 13:59:47:013 System.ArgumentNullException: Value cannot be null.
Parameter name: key
at System.Collections.Generic.Dictionary`2.FindEntry( TKey key)
at System.Collections.Generic.Dictionary`2.TryGetValu e(TKey key, TValue& value)
at NinjaTrader.Gui.NinjaScript.StrategiesGrid.OnStrat egyEdit(Object sender, ExecutedRoutedEventArgs e)
at System.Windows.Input.CommandBinding.OnExecuted(Obj ect sender, ExecutedRoutedEventArgs e)
at System.Windows.Input.CommandManager.ExecuteCommand Binding(Object sender, ExecutedRoutedEventArgs e, CommandBinding commandBinding)
at System.Windows.Input.CommandManager.FindCommandBin ding(CommandBindingCollection commandBindings, Object sender, RoutedEventArgs e, ICommand command, Boolean execute)
at System.Windows.Input.CommandManager.FindCommandBin ding(Object sender, RoutedEventArgs e, ICommand command, Boolean execute)
at System.Windows.Input.CommandManager.OnExecuted(Obj ect sender, ExecutedRoutedEventArgs e)
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.Input.RoutedCommand.ExecuteImpl(Obj ect parameter, IInputElement target, Boolean userInitiated)
at MS.Internal.Commands.CommandHelpers.CriticalExecut eCommandSource(ICommandSource commandSource, Boolean userInitiated)
at System.Windows.Controls.MenuItem.InvokeClickAfterR ender(Object arg)
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)

[NinjaTrader_ChelseaB]

Hello Klaus,

Your log and trace can contain sensitive information that may be needed for the NinjaTrader Support but should not be posted publicly on the NinjaTrader forums.

Please send your log and trace files as well as a description of the actions preceding the behavior to platformsupport [at] ninjatrader [dot] com.
In the email, please include a link to this forum thread.

[klaus w]

Hello Chelsea,
thanks for the hint. I already send the logs and traces.
Klaus