[Solved] Crash when changing name of sub folder in assists

Created a sub folder on assists, but when I try to edit the name the name

Paradox Version: 1.3.4-beta
GameStudio Version: 4
Default session graphics profile: Level_10_0
Current Directory: C:\Program Files\Silicon Studio\Paradox\GamePackages\Paradox.1.3.4-beta\Bin\Windows-Direct3D11
Command Line Args:
OS Version: Microsoft Windows NT 6.2.9200.0 (x64)
Processor Count: 8
Video configuration:
GPU 1
BitsPerPel: 32
Caption: Intel® HD Graphics 4600
Description: Intel® HD Graphics 4600
DeviceName: Intel® HD Graphics 4600
DisplayFlags: 0
DisplayFrequency: 60
DitherType:
DriverVersion:
ICMIntent:
ICMMethod:
LogPixels: 96
PelsHeight: 768
PelsWidth: 1024
SettingID: Intel® HD Graphics 4600
SpecificationVersion: 1025
Exception: NullReferenceException: Object reference not set to an instance of an object.
at SiliconStudio.Presentation.Controls.TreeView.StopEditing()
at SiliconStudio.Presentation.Controls.TreeView.OnMouseDown(MouseButtonEventArgs e)
at System.Windows.UIElement.OnMouseDownThunk(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.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)
at System.Windows.Threading.Dispatcher.LegacyInvokeImpl(DispatcherPriority priority, TimeSpan timeout, Delegate method, Object args, Int32 numArgs)
at MS.Win32.HwndSubclass.SubclassWndProc(IntPtr hwnd, Int32 msg, IntPtr wParam, IntPtr lParam)
at MS.Win32.UnsafeNativeMethods.DispatchMessage(MSG& msg)
at System.Windows.Threading.Dispatcher.PushFrameImpl(DispatcherFrame frame)
at System.Windows.Application.RunDispatcher(Object ignore)
at System.Windows.Application.RunInternal(Window window)
at SiliconStudio.Paradox.GameStudio.Program.Main()

@TheBreadman This should have been fixed in the new 1.4 release.