Deck Building Error

[teak421]

When I was adding cards to the BASIC WEAKNESS deck for Arkham Horror LCG, I get the following error:

System.InvalidOperationException: 'Sorting' is not allowed during an AddNew or EditItem transaction.
at System.Windows.Data.ListCollectionView.SortDescriptionsChanged(Object sender, NotifyCollectionChangedEventArgs e)
at System.Collections.Specialized.NotifyCollectionChangedEventHandler.Invoke(Object sender, NotifyCollectionChangedEventArgs e)
at System.ComponentModel.SortDescriptionCollection.OnCollectionChanged(NotifyCollectionChangedAction action, Object item, Int32 index)
at System.ComponentModel.SortDescriptionCollection.InsertItem(Int32 index, SortDescription item)
at System.Collections.ObjectModel.Collection1.Insert(Int32 index, T item) at System.Windows.Controls.ItemCollection.SynchronizeCollections[T](NotifyCollectionChangedEventArgs e, Collection1 origin, Collection1 clone) at System.Windows.Controls.ItemCollection.SortDescriptionsChanged(Object sender, NotifyCollectionChangedEventArgs e) at System.Collections.Specialized.NotifyCollectionChangedEventHandler.Invoke(Object sender, NotifyCollectionChangedEventArgs e) at System.ComponentModel.SortDescriptionCollection.OnCollectionChanged(NotifyCollectionChangedAction action, Object item, Int32 index) at System.ComponentModel.SortDescriptionCollection.InsertItem(Int32 index, SortDescription item) at System.Collections.ObjectModel.Collection1.Add(T item)
at Octgn.DeckBuilder.DeckBuilderWindow.SortDataGrid(DataGrid dataGrid, Int32 columnIndex, ListSortDirection sortDirection)
at Octgn.DeckBuilder.DeckBuilderWindow.ChangeSortButton_Click(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.Primitives.ButtonBase.OnClick()
at System.Windows.Controls.Button.OnClick()
at System.Windows.Controls.Primitives.ButtonBase.OnMouseLeftButtonUp(MouseButtonEventArgs e)
at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
at System.Windows.UIElement.ReRaiseEventAs(DependencyObject sender, RoutedEventArgs args, RoutedEvent newEvent)
at System.Windows.UIElement.OnMouseUpThunk(Object sender, MouseButtonEventArgs e)
at System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
at System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
at System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
at System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
at System.Windows.UIElement.RaiseTrustedEvent(RoutedEventArgs args)
at System.Windows.Input.InputManager.ProcessStagingArea()
at System.Windows.Input.InputManager.ProcessInput(InputEventArgs input)
at System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport)
at System.Windows.Interop.HwndMouseInputProvider.ReportInput(IntPtr hwnd, InputMode mode, Int32 timestamp, RawMouseActions actions, Int32 x, Int32 y, Int32 wheel)
at System.Windows.Interop.HwndMouseInputProvider.FilterMessage(IntPtr hwnd, WindowMessage msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
at System.Windows.Interop.HwndSource.InputFilterMessage(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.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
at System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)

[teak421]

An important step I left out... I clicked on the MANUAL button in the BASIC WEAKNESS section.