An exception is thrown in the following scenario: -We have a data bound VisualizationLayer with MapShapeBindableWrapper elements in its ItemTemplate. -The view models in the ItemsSource of the layer implements the INotifyLocationChanged interface and its LocationChanged event is manually raised when the Location property is changed -If the layer's ItemsSource collection is reset and then the Location property the elements of the old collection is changed, an exception is thrown. The fix will be available in our official release Q1 2016 SP.