------------------------------
12:19:51 (FATAL): |Àñòðîâ Ñ.Ï. |Unhandled exception: System.ObjectDisposedException: Cannot access a disposed object.
Object name: 'SKBKontur.KZ.Core.LS'.
   at SKBKontur.KZ.Core.LS.CheckNotDisposed()
   at SKBKontur.KZ.Core.KchImplementation.GetValue(KchNum kchNum)
   at SKBKontur.KZ.Forms.Etk.EtkItemRegistryVm.get_SentInfo()
   at SKBKontur.KZ.Forms.Etk.EtkItemRegistryVm.CanMarkItemSent(EtkItemVm itemVm)
   at SKBKontur.KZ.Forms.Etk.EtkItemRegistryCtrl.<>c.<CanMarkEtkItemSentCommand>b__19_0(EtkItemRegistryVm registryVm, EtkItemVm etkItemVm)
   at SKBKontur.KZ.Forms.Etk.EtkItemRegistryCtrl.CanExecuteFromDelegate[T](CanExecuteRoutedEventArgs e, Func`3 canExecuteDelegate)
   at SKBKontur.KZ.Forms.Etk.EtkItemRegistryCtrl.CanMarkEtkItemSentCommand(Object sender, CanExecuteRoutedEventArgs e)
   at System.Windows.Input.CommandBinding.OnCanExecute(Object sender, CanExecuteRoutedEventArgs e)
   at System.Windows.Input.CommandManager.FindCommandBinding(CommandBindingCollection commandBindings, Object sender, RoutedEventArgs e, ICommand command, Boolean execute)
   at System.Windows.Input.CommandManager.FindCommandBinding(Object sender, RoutedEventArgs e, ICommand command, Boolean execute)
   at System.Windows.Input.CommandManager.OnCanExecute(Object sender, CanExecuteRoutedEventArgs e)
   at System.Windows.UIElement.OnCanExecuteThunk(Object sender, CanExecuteRoutedEventArgs e)
   at System.Windows.Input.CanExecuteRoutedEventArgs.InvokeEventHandler(Delegate genericHandler, Object target)
   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.RaiseEvent(RoutedEventArgs args, Boolean trusted)
   at System.Windows.Input.RoutedCommand.CriticalCanExecuteWrapper(Object parameter, IInputElement target, Boolean trusted, CanExecuteRoutedEventArgs args)
   at System.Windows.Input.RoutedCommand.CanExecuteImpl(Object parameter, IInputElement target, Boolean trusted, Boolean& continueRouting)
   at System.Windows.Input.RoutedCommand.CriticalCanExecute(Object parameter, IInputElement target, Boolean trusted, Boolean& continueRouting)
   at MS.Internal.Commands.CommandHelpers.CanExecuteCommandSource(ICommandSource commandSource)
   at System.Windows.Controls.MenuItem.UpdateCanExecute()
   at System.Windows.Controls.MenuItem.OnCanExecuteChanged(Object sender, EventArgs e)
   at System.Windows.Input.CanExecuteChangedEventManager.HandlerSink.OnCanExecuteChanged(Object sender, EventArgs e)
   at System.Windows.WeakEventManager.ListenerList.DeliverEvent(Listener& listener, Object sender, EventArgs args, Type managerType)
   at System.Windows.WeakEventManager.ListenerList.DeliverEvent(Object sender, EventArgs args, Type managerType)
   at System.Windows.WeakEventManager.DeliverEvent(Object sender, EventArgs args)
   at System.Windows.Input.CommandManager.RequerySuggestedEventManager.OnRequerySuggested(Object sender, EventArgs args)
   at System.Windows.Input.CommandManager.RaiseRequerySuggested(Object obj)
   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) 
