При добавление комментария в ST возникает ошибка
Ошибка1.png

Она возникает если набрать (* и потом нажать enter.
Ниже то что скопировалось в буфер ошибки
2.6.348.0
System.ArgumentOutOfRangeException: Length cannot be less than zero. (Parameter 'length')
at System.String.Substring(Int32 startIndex, Int32 length)
at StParser.Lexer.CreateMultilineCommentToken(String input, TokenPosition& tokenPosition)
at StParser.Lexer.AnalyzeInput(String input, CancellationToken cancellationToken)
at Owen.STEditor.Editor.STIndentationStrategy.IndentL ine(TextDocument document, DocumentLine line)
at ICSharpCode.AvalonEdit.Editing.TextArea.ReplaceSel ectionWithNewLine()
at ICSharpCode.AvalonEdit.Editing.TextArea.PerformTex tInput(TextCompositionEventArgs e)
at ICSharpCode.AvalonEdit.Editing.EditingCommandHandl er.OnEnter(Object target, ExecutedRoutedEventArgs args)
at System.Windows.Input.CommandBinding.OnExecuted(Obj ect sender, ExecutedRoutedEventArgs e)
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.EventRoute.InvokeHandlersImpl(Objec t source, RoutedEventArgs args, Boolean reRaised)
at System.Windows.UIElement.RaiseEventImpl(Dependency Object sender, RoutedEventArgs args)
at System.Windows.UIElement.RaiseTrustedEvent(RoutedE ventArgs args)
at System.Windows.Input.RoutedCommand.ExecuteImpl(Obj ect parameter, IInputElement target, Boolean userInitiated)
at System.Windows.Input.CommandManager.TranslateInput (IInputElement targetElement, InputEventArgs inputEventArgs)
at System.Windows.UIElement.OnKeyDownThunk(Object sender, KeyEventArgs e)
at System.Windows.RoutedEventArgs.InvokeHandler(Deleg ate handler, Object target)
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.UIElement.RaiseTrustedEvent(RoutedE ventArgs args)
at System.Windows.Input.InputManager.ProcessStagingAr ea()
at System.Windows.Input.InputProviderSite.ReportInput (InputReport inputReport)
at System.Windows.Interop.HwndKeyboardInputProvider.P rocessKeyAction(MSG& msg, Boolean& handled)
at System.Windows.Interop.HwndSource.CriticalTranslat eAccelerator(MSG& msg, ModifierKeys modifiers)
at System.Windows.Forms.Integration.ElementHost.Proce ssCmdKey(Message& msg, Keys keyData)
at System.Windows.Forms.Control.PreProcessMessage(Mes sage& msg)
at System.Windows.Forms.Control.PreProcessControlMess ageInternal(Control target, Message& msg)
at System.Windows.Forms.Application.ThreadContext.Pre TranslateMessage(MSG& msg)