'selectorArrow_Active' name cannot be found in the name scope of 'System.Windows.Controls.ControlTemplate'.
   at System.Windows.Media.Animation.Storyboard.ResolveTargetName(String targetName, INameScope nameScope, DependencyObject element)
   at System.Windows.Media.Animation.Storyboard.ClockTreeWalkRecursive(Clock currentClock, DependencyObject containingObject, INameScope nameScope, DependencyObject parentObject, String parentObjectName, PropertyPath parentPropertyPath, HandoffBehavior handoffBehavior, HybridDictionary clockMappings, Int64 layer)
   at System.Windows.Media.Animation.Storyboard.ClockTreeWalkRecursive(Clock currentClock, DependencyObject containingObject, INameScope nameScope, DependencyObject parentObject, String parentObjectName, PropertyPath parentPropertyPath, HandoffBehavior handoffBehavior, HybridDictionary clockMappings, Int64 layer)
   at System.Windows.Media.Animation.Storyboard.BeginCommon(DependencyObject containingObject, INameScope nameScope, HandoffBehavior handoffBehavior, Boolean isControllable, Int64 layer)
   at System.Windows.Media.Animation.BeginStoryboard.Begin(DependencyObject targetObject, INameScope nameScope, Int64 layer)
   at System.Windows.Media.Animation.BeginStoryboard.Invoke(FrameworkElement fe, FrameworkContentElement fce, Style targetStyle, FrameworkTemplate frameworkTemplate, Int64 layer)
   at System.Windows.StyleHelper.InvokeEventTriggerActions(FrameworkElement fe, FrameworkContentElement fce, Style ownerStyle, FrameworkTemplate frameworkTemplate, Int32 childIndex, RoutedEvent Event)
   at System.Windows.StyleHelper.ExecuteEventTriggerActionsOnContainer(Object sender, RoutedEventArgs e)
   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 e)
   at Infragistics.Windows.DataPresenter.RecordSelector.OnActivated(RoutedEventArgs args)
   at Infragistics.Windows.DataPresenter.RecordSelector.RaiseActivated(RoutedEventArgs args)
   at Infragistics.Windows.DataPresenter.RecordSelector.OnLoaded(Object sender, RoutedEventArgs e)
   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 e)
   at System.Windows.BroadcastEventHelper.BroadcastEvent(DependencyObject root, RoutedEvent routedEvent)
   at System.Windows.BroadcastEventHelper.BroadcastLoadedEvent(Object root)
   at MS.Internal.LoadedOrUnloadedOperation.DoWork()
   at System.Windows.Media.MediaContext.FireLoadedPendingCallbacks()
   at System.Windows.Media.MediaContext.FireInvokeOnRenderCallbacks()
   at System.Windows.Media.MediaContext.RenderMessageHandlerCore(Object resizedCompositionTarget)
   at System.Windows.Media.MediaContext.RenderMessageHandler(Object resizedCompositionTarget)
   at System.Windows.Threading.ExceptionWrapper.InternalRealCall(Delegate callback, Object args, Int32 numArgs)
   at MS.Internal.Threading.ExceptionFilterHelper.TryCatchWhen(Object source, Delegate method, Object args, Int32 numArgs, Delegate catchHandler)

I am getting above error on UI when I wrote below in my code ..

<Style TargetType="{x:Type igDP:RecordSelector}">
                    <Style.Triggers>
                        <DataTrigger Binding="{Binding Path=DataItem.RequestStatus}" Value="Pending">
                            <DataTrigger.Setters>
                                <Setter Property="Template">
                                    <Setter.Value>
                                        <ControlTemplate TargetType="{x:Type igDP:RecordSelector}">
                                            <Image Source="/Taser.Shell;component/Resources/Pending.bmp"/>
                                        </ControlTemplate>
                                    </Setter.Value>
                                </Setter>
                            </DataTrigger.Setters>
                        </DataTrigger>
                        <DataTrigger Binding="{Binding Path=DataItem.RequestStatus}" Value="Approved">
                            <DataTrigger.Setters>
                                <Setter Property="Template">
                                    <Setter.Value>
                                        <ControlTemplate TargetType="{x:Type igDP:RecordSelector}">
                                            <Image Height="10" Width="10"  Source="/Taser.Shell;component/Resources/Approved.bmp"/>
                                        </ControlTemplate>
                                    </Setter.Value>
                                </Setter>
                            </DataTrigger.Setters>
                        </DataTrigger>
                        <DataTrigger Binding="{Binding Path=DataItem.RequestStatus}" Value="Rejected">
                            <DataTrigger.Setters>
                                <Setter Property="Template">
                                    <Setter.Value>
                                        <ControlTemplate TargetType="{x:Type igDP:RecordSelector}">
                                            <Image  Height="10" Width="10" Source="/Taser.Shell;component/Resources/Rejected.bmp"/>
                                        </ControlTemplate>
                                    </Setter.Value>
                                </Setter>
                            </DataTrigger.Setters>
                        </DataTrigger>
                        <DataTrigger Binding="{Binding Path=DataItem.RequestStatus}" Value="Cancelled">
                            <DataTrigger.Setters>
                                <Setter Property="Template">
                                    <Setter.Value>
                                        <ControlTemplate TargetType="{x:Type igDP:RecordSelector}">
                                            <Image  Height="10" Width="10" Source="/Taser.Shell;component/Resources/Cencelled.bmp"/>
                                        </ControlTemplate>
                                    </Setter.Value>
                                </Setter>
                            </DataTrigger.Setters>
                        </DataTrigger>
                    </Style.Triggers>
                </Style>

NOTE :- This error occurs only once when I change the tab index in tabControl.