'Pushasync is not supported globally on windows, please use a navigati

Question

hi in xamarin form i am facing this Error while clicking the button for navigating another page. can you help me on this how to fix the Error

public partial class HomePage: ContentPage {
  public HomePage() {
    InitializeComponent();
  }
  private void NavigateButton_OnClicked(object sender, EventArgs e) {
    Navigation.PushAsync(new NavigationPage(new SectionA_Form()));
  }
}

<?xml version="1.0" encoding="utf-8" ?>
<ContentPage
    xmlns="http://xamarin.com/schemas/2014/forms"
    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" x:Class="WalgreensVaccine.Pages.HomePage">
    <ContentPage.Content>
        <StackLayout BackgroundColor="WhiteSmoke">
            <!-- Header-->
            <StackLayout VerticalOptions="Start" BackgroundColor="AntiqueWhite" Margin="0,10,0,0" >
                <Label Text="Walgreens Covid Form" FontAttributes="Italic" FontSize="Header" TextColor="Red" HorizontalOptions="Center" />
            </StackLayout>
            <!-- Content -->
            <StackLayout VerticalOptions="CenterAndExpand">
                <Button x:Name="sectionA" Clicked="NavigateButton_OnClicked" Text="Section A" BorderWidth="2" BorderColor="CadetBlue" FontSize="Medium" BackgroundColor="DarkRed" TextColor="White" HorizontalOptions="Center" WidthRequest="500" HeightRequest="50"></Button>
            </StackLayout>
        </StackLayout>
    </ContentPage.Content>
</ContentPage>

public partial class SectionA_Form : ContentPage
{
public SectionA_Form()
{
InitializeComponent();
}
}