System.NullReferenceException: Ссылка на объект не указывает на экземпляр объекта.
   в Taxi.Dispatcher.Desktop.Model.ComplaintToolTipItem.<>c__DisplayClass13_0.<IsSatisfiedBy>b__0(String s) в C:\TeamCity\buildAgent\work\859d89a7202038d3\Sources\Taxi\Taxi.Dispatcher.Desktop\Model\ComplaintTooltipItem.cs:строка 89
   в System.Linq.Enumerable.Any[TSource](IEnumerable`1 source, Func`2 predicate)
   в Taxi.Dispatcher.Desktop.Model.ComplaintToolTipItem.IsSatisfiedBy(String search) в C:\TeamCity\buildAgent\work\859d89a7202038d3\Sources\Taxi\Taxi.Dispatcher.Desktop\Model\ComplaintTooltipItem.cs:строка 89
   в Taxi.Dispatcher.Desktop.Common.MarkupExtensions.DefaultFilter.ComplaintToolTipItemFilter(String search, Object obj) в C:\TeamCity\buildAgent\work\859d89a7202038d3\Sources\Taxi\Taxi.Dispatcher.Desktop\Common\MarkupExtensions\DefaultFilter.cs:строка 63
   в System.Windows.Controls.AutoCompleteBox.RefreshView()
   в System.Windows.Controls.AutoCompleteBox.PopulateComplete()
   в System.Windows.Controls.AutoCompleteBox.PopulateDropDown(Object sender, EventArgs e)
   в System.Windows.Controls.AutoCompleteBox.TextUpdated(String newText, Boolean userInitiated)
   в System.Windows.Controls.AutoCompleteBox.OnTextBoxTextChanged(Object sender, TextChangedEventArgs e)
   в System.Windows.Controls.TextChangedEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget)
   в System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
   в System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   в System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   в System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
   в System.Windows.UIElement.RaiseEvent(RoutedEventArgs e)
   в System.Windows.Controls.Primitives.TextBoxBase.OnTextChanged(TextChangedEventArgs e)
   в System.Windows.Controls.Primitives.TextBoxBase.OnTextContainerChanged(Object sender, TextContainerChangedEventArgs e)
   в System.Windows.Controls.TextBox.OnTextContainerChanged(Object sender, TextContainerChangedEventArgs e)
   в System.Windows.Documents.TextContainerChangedEventHandler.Invoke(Object sender, TextContainerChangedEventArgs e)
   в System.Windows.Documents.TextContainer.EndChange(Boolean skipEvents)
   в System.Windows.Documents.TextContainer.System.Windows.Documents.ITextContainer.EndChange(Boolean skipEvents)
   в System.Windows.Documents.TextRangeBase.EndChange(ITextRange thisRange, Boolean disableScroll, Boolean skipEvents)
   в System.Windows.Documents.TextRange.System.Windows.Documents.ITextRange.EndChange(Boolean disableScroll, Boolean skipEvents)
   в System.Windows.Documents.TextRange.ChangeBlock.System.IDisposable.Dispose()
   в System.Windows.Documents.TextEditorTyping.DoTextInput(TextEditor This, String textData, Boolean isInsertKeyToggled, Boolean acceptControlCharacters)
   в System.Windows.Documents.TextEditorTyping.TextInputItem.Do()
   в System.Windows.Documents.TextEditorTyping.ScheduleInput(TextEditor This, InputItem item)
   в System.Windows.Documents.TextEditorTyping.OnTextInput(Object sender, TextCompositionEventArgs e)
   в System.Windows.Controls.Primitives.TextBoxBase.OnTextInput(TextCompositionEventArgs e)
   в System.Windows.UIElement.OnTextInputThunk(Object sender, TextCompositionEventArgs e)
   в System.Windows.Input.TextCompositionEventArgs.InvokeEventHandler(Delegate genericHandler, Object genericTarget)
   в System.Windows.RoutedEventArgs.InvokeHandler(Delegate handler, Object target)
   в System.Windows.RoutedEventHandlerInfo.InvokeHandler(Object target, RoutedEventArgs routedEventArgs)
   в System.Windows.EventRoute.InvokeHandlersImpl(Object source, RoutedEventArgs args, Boolean reRaised)
   в System.Windows.UIElement.RaiseEventImpl(DependencyObject sender, RoutedEventArgs args)
   в System.Windows.UIElement.RaiseTrustedEvent(RoutedEventArgs args)
   в System.Windows.UIElement.RaiseEvent(RoutedEventArgs args, Boolean trusted)
   в System.Windows.Input.InputManager.ProcessStagingArea()
   в System.Windows.Input.InputManager.ProcessInput(InputEventArgs input)
   в System.Windows.Input.TextCompositionManager.UnsafeCompleteComposition(TextComposition composition)
   в System.Windows.Input.TextCompositionManager.PostProcessInput(Object sender, ProcessInputEventArgs e)
   в System.Windows.Input.InputManager.RaiseProcessInputEventHandlers(ProcessInputEventHandler postProcessInput, ProcessInputEventArgs processInputEventArgs)
   в System.Windows.Input.InputManager.ProcessStagingArea()
   в System.Windows.Input.InputManager.ProcessInput(InputEventArgs input)
   в System.Windows.Input.TextCompositionManager.UnsafeStartComposition(TextComposition composition)
   в System.Windows.Input.TextCompositionManager.PostProcessInput(Object sender, ProcessInputEventArgs e)
   в System.Windows.Input.InputManager.RaiseProcessInputEventHandlers(ProcessInputEventHandler postProcessInput, ProcessInputEventArgs processInputEventArgs)
   в System.Windows.Input.InputManager.ProcessStagingArea()
   в System.Windows.Input.InputManager.ProcessInput(InputEventArgs input)
   в System.Windows.Input.InputProviderSite.ReportInput(InputReport inputReport)
   в System.Windows.Interop.HwndKeyboardInputProvider.ProcessTextInputAction(IntPtr hwnd, WindowMessage msg, IntPtr wParam, IntPtr lParam, Boolean& handled)
   в System.Windows.Interop.HwndSource.OnPreprocessMessage(Object param)
   в System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   в System.Windows.Threading.ExceptionWrapper.TryCatchWhen(Object source, Delegate callback, Object args, Int32 numArgs, Delegate catchHandler)