PriceGrid-Genetic-Evolver-doesn-t-start

QUOTE:
System.MissingMethodException: Method not found: 'Void WealthLab.Core.GeneticEvolverBase`1.add_GenerationStarted(System.EventHandler`1<System.EventArgs>)'.
at WealthLab.ChartPatterns.WPF.cwGeneticEvolver..ctor()
at WealthLab.ChartPatterns.WPF.ChartPatternsClientExtension.CreateEvolverWindow()
at WealthLab.ChartPatterns.WPF.ChartPatternsClientExtension.mniEvolverClick(Object sender, RoutedEventArgs e)
at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
at System.Windows.Controls.MenuItem.InvokeClickAfterRender(Object arg)
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)