[Bug] Following Simple Example Get Exception in lattest Xam.Forms

[davidbuckleyni]

Describe the bug
When Following the simple sample page I am getting an issue

 
    <ContentPage.BindingContext>
        <local:AdvancedPageViewModel />
    </ContentPage.BindingContext>

    <ContentPage.Content>
        <StackLayout>
        <Image Source="logo.png"></Image>
        <Label Text="My Schedule" FontSize="50" TextColor="White"></Label>

            <ScrollView>
        <StackLayout>
            <plugin:Calendar
          BackgroundColor="Black"
        Padding="10,0"
        AnimateCalendar="True"
         DayViewSize="40"
        DaysTitleColor="White"
        DaysTitleHeight="40"
        DaysTitleMaximumLength="ThreeChars"
        DeselectedDayTextColor="White"
        DisableSwipeDetection="False"
                DayViewCornerRadius="20"
        EventIndicatorColor="Blue"
                EventIndicatorTextColor="White"
        EventIndicatorSelectedColor="Blue"
          EventIndicatorType="Background"
               
        Events="{Binding Events}"
        HeaderSectionVisible="True"
        HorizontalOptions="FillAndExpand"
        MonthLabelColor="White"
        OtherMonthDayColor="White"
        OtherMonthDayIsVisible="False"
        SelectedDateColor="Blue"
        SelectedDateTextFormat="ddd, dd MMM yyyy"
        SelectedDayBackgroundColor="DarkCyan"
        SelectedDayTextColor="Cyan"
        SelectedTodayTextColor="White"
        
        SwipeToChangeMonthEnabled="False"
        SwipeUpToHideEnabled="False"
        TodayFillColor="Silver"
        TodayOutlineColor="Blue"
        TodayTextColor="Red"
        VerticalOptions="FillAndExpand"
        YearLabelColor="Blue">

                        <plugin:Calendar.EventTemplate>
                            <DataTemplate>
                                <StackLayout
                    Padding="15,0,0,0"
                    HorizontalOptions="FillAndExpand"
                    VerticalOptions="FillAndExpand">
                                    <Label
                        FontAttributes="Bold"
                        FontSize="Medium"
                        Text="{Binding Name}"
                    />
                                    <Label
                        FontSize="Small"
                        LineBreakMode="WordWrap"
                        Text="{Binding Description}" 
                    />
                                    <StackLayout.GestureRecognizers>
                                        <TapGestureRecognizer Command="{Binding BindingContext.EventSelectedCommand, Source={x:Reference simpleCalendarPage}}" CommandParameter="{Binding .}" />
                                    </StackLayout.GestureRecognizers>
                                </StackLayout>
                            </DataTemplate>
                        </plugin:Calendar.EventTemplate>
                    </plugin:Calendar>
                </StackLayout>
            </ScrollView>
        </StackLayout>
    </ContentPage.Content>

I get the following error message

The output I get in the code output window is

System.Reflection.TargetInvocationException: 'Exception has been thrown by the target of an invocation.'

```[AppCenterCrashes] System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> Xamarin.Forms.Xaml.XamlParseException: Position 76:63. Can not find the object referenced by CalendarPage
[AppCenterCrashes] at Xamarin.Forms.Xaml.ReferenceExtension.ProvideValue (System.IServiceProvider serviceProvider) [0x000bf] in D:\a\1\s\Xamarin.Forms.Xaml\MarkupExtensions\ReferenceExtension.cs:43
[AppCenterCrashes] at THEHOCKEYLAB.Views.CalendarPage+_anonXamlCDataTemplate_0.LoadDataTemplate () [0x0031a] in <94ebbbfb752b4771825253fb3cb0510e>:0
[AppCenterCrashes] at Xamarin.Forms.ElementTemplate.CreateContent () [0x00026] in D:\a\1\s\Xamarin.Forms.Core\ElementTemplate.cs:82
[AppCenterCrashes] at Xamarin.Plugin.Calendar.Extensions.CreateContent (Xamarin.Forms.DataTemplate dataTemplate, System.Object itemModel) [0x00030] in D:\a\1\s\src\Calendar.Plugin\Shared\Extensions.cs:26
[AppCenterCrashes] at Xamarin.Plugin.Calendar.Controls.GenericRepeaterView.GetItemView (System.Object itemModel) [0x00000] in D:\a\1\s\src\Calendar.Plugin\Shared\Controls\GenericRepeaterView.cs:91
[AppCenterCrashes] at Xamarin.Plugin.Calendar.Controls.GenericRepeaterView.ResetItems () [0x00048] in D:\a\1\s\src\Calendar.Plugin\Shared\Controls\GenericRepeaterView.cs:81
[AppCenterCrashes] at Xamarin.Plugin.Calendar.Controls.GenericRepeaterView.OnItemsSourceChanged (Xamarin.Forms.BindableObject bindable, System.Object oldValue, System.Object newValue) [0x00026] in D:\a\1\s\src\Calendar.Plugin\Shared\Controls\GenericRepeaterView.cs:62
[AppCenterCrashes] at Xamarin.Forms.BindableObject.SetValueActual (Xamarin.Forms.BindableProperty property, Xamarin.Forms.BindableObject+BindablePropertyContext context, System.Object value, System.Boolean currentlyApplying, Xamarin.Forms.Internals.SetValueFlags attributes, System.Boolean silent) [0x00120] in D:\a\1\s\Xamarin.Forms.Core\BindableObject.cs:512
[AppCenterCrashes] at Xamarin.Forms.BindableObject.SetValueCore (Xamarin.Forms.BindableProperty property, System.Object value, Xamarin.Forms.Internals.SetValueFlags attributes, Xamarin.Forms.BindableObject+SetValuePrivateFlags privateAttributes) [0x00173] in D:\a\1\s\Xamarin.Forms.Core\BindableObject.cs:446
[AppCenterCrashes] at Xamarin.Forms.BindingExpression.ApplyCore (System.Object sourceObject, Xamarin.Forms.BindableObject target, Xamarin.Forms.BindableProperty property, System.Boolean fromTarget) [0x00226] in D:\a\1\s\Xamarin.Forms.Core\BindingExpression.cs:160
[AppCenterCrashes] at Xamarin.Forms.BindingExpression.Apply (System.Boolean fromTarget) [0x0003e] in D:\a\1\s\Xamarin.Forms.Core\BindingExpression.cs:56
[AppCenterCrashes] at Xamarin.Forms.BindingExpression+BindingExpressionPart.b__49_0 () [0x00000] in D:\a\1\s\Xamarin.Forms.Core\BindingExpression.cs:762
[AppCenterCrashes] at Xamarin.Forms.BindingExpression+BindingExpressionPart.PropertyChanged (System.Object sender, System.ComponentModel.PropertyChangedEventArgs args) [0x000cb] in D:\a\1\s\Xamarin.Forms.Core\BindingExpression.cs:773
[AppCenterCrashes] at Xamarin.Forms.BindingExpression+WeakPropertyChangedProxy.OnPropertyChanged (System.Object sender, System.ComponentModel.PropertyChangedEventArgs e) [0x00012] in D:\a\1\s\Xamarin.Forms.Core\BindingExpression.cs:666
[AppCenterCrashes] at (wrapper delegate-invoke) .invoke_void_object_PropertyChangedEventArgs(object,System.ComponentModel.PropertyChangedEventArgs)
[AppCenterCrashes] at Xamarin.Forms.BindableObject.OnPropertyChanged (System.String propertyName) [0x00000] in D:\a\1\s\Xamarin.Forms.Core\BindableObject.cs:266
[AppCenterCrashes] at Xamarin.Forms.Element.OnPropertyChanged (System.String propertyName) [0x00000] in D:\a\1\s\Xamarin.Forms.Core\Element.cs:362
[AppCenterCrashes] at Xamarin.Plugin.Calendar.Controls.Calendar.OnPropertyChanged (System.String propertyName) [0x00000] in D:\a\1\s\src\Calendar.Plugin\Shared\Controls\Calendar.xaml.cs:1031
[AppCenterCrashes] at Xamarin.Forms.BindableObject.SetValueActual (Xamarin.Forms.BindableProperty property, Xamarin.Forms.BindableObject+BindablePropertyContext context, System.Object value, System.Boolean currentlyApplying, Xamarin.Forms.Internals.SetValueFlags attributes, System.Boolean silent) [0x00114] in D:\a\1\s\Xamarin.Forms.Core\BindableObject.cs:510
[AppCenterCrashes]
System.Reflection.TargetInvocationException: 'Exception has been thrown by the target of an invocation.'

[libc] Fatal signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x3a16076 in tid 7441 (me.thehockeylab), pid 7441 (me.thehockeylab)```