ScrollView doesn't work in RefreshView .net Maui - xaml

Question

I have a ScrollView in my .net Maui application. It contains a RefreshView with a CollectionView. It worked fine but yesterday it doesn't scroll anymore.
Here a video of the issue: https://de.files.fm/u/3rhsdu786
I tested the ScrollView with some Frames and it worked, so there must be a problem with the RefreshView or with the combination. I also tried to create a new page and inserted the old code but it also didn't work.
Here is my xaml code:
<ScrollView>
<StackLayout>
<!--Der Frame ist Visible, wenn für den Tag eine für den Schüler betreffende Nachricht existiert ansonsten bleibt diese Nachricht unsichtbar-->
<Button Text="Neue Nachrichten unter Aktuelles!" Command="{Binding OnMessage}" IsVisible="{Binding IsVisibleInfo}" CornerRadius="30" Margin="0,15,0,0" HorizontalOptions="Center"/>
<Frame IsVisible="{Binding IsVisibleNoAlert}" HorizontalOptions="Center" BackgroundColor="Transparent">
<StackLayout VerticalOptions="Start" HorizontalOptions="Center">
<Label Text="Keine Vertretung!" FontSize="Title" HorizontalTextAlignment="Center" VerticalOptions="Start" Margin="10"/>
<Label Text="Heute hast du keine Vertretung. Dein Tag findet ganz normal statt." HorizontalTextAlignment="Center"/>
<Label Text="{Binding Status}" HorizontalOptions="Center" Margin="20" TextColor="Gray" VerticalOptions="StartAndExpand" IsVisible="{Binding IsVisibleNoAlert}"/>
</StackLayout>
</Frame>
<RefreshView x:DataType="vm:TodayViewModel" Command="{Binding LoadStandInsCommand}" IsRefreshing="{Binding IsBusy, Mode=TwoWay}" IsEnabled="{Binding RefreshIsEnabled}" Margin="30,10,30,30">
<StackLayout Orientation="Vertical">
<Label Text="{Binding Status}" HorizontalOptions="Center" TextColor="Gray" VerticalOptions="StartAndExpand" IsVisible="{Binding IsVisibleView}"/>
<CollectionView ItemsSource="{Binding StandIns}" SelectionMode="None" IsVisible="{Binding IsVisibleView}">
<CollectionView.ItemTemplate>
<DataTemplate>
<StackLayout x:DataType="model:StandIn" Margin="0,10,0,10">
<Frame HeightRequest="110" BackgroundColor="{AppThemeBinding Light={StaticResource WhiteMode2nd}, Dark={StaticResource DarkMode2nd}}" BorderColor="{Binding Color}" CornerRadius="10">
<StackLayout Margin="-20" Orientation="Horizontal">
<Line BackgroundColor="{Binding Color}" HeightRequest="170" WidthRequest="5" HorizontalOptions="Start"/>
<Grid HorizontalOptions="FillAndExpand" Margin="10,5,10,5">
<Grid.RowDefinitions>
<RowDefinition Height="*"/>
<RowDefinition Height="*"/>
<RowDefinition Height="0.75*"/>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
<ColumnDefinition Width="0.7*"/>
<ColumnDefinition Width="0.3*"/>
</Grid.ColumnDefinitions>
<Label Text="{Binding Stunde}" Style="{StaticResource LableStyleStandIn}" Margin="5,0,0,0"/>
<Label Text="{Binding Fach}" Style="{StaticResource LableStyleStandIn}" Grid.Row="1"/>
<Label Text="{Binding Art}" FontSize="17" Style="{StaticResource LableStyleStandIn}" Grid.Row="2"/>
<Label Text="{Binding Raum}" Style="{StaticResource LableStyleStandIn}" Grid.Column="1" Grid.Row="1"/>
<Label Text="{Binding Lehrer}" FontSize="17" Style="{StaticResource LableStyleStandIn}" Grid.Column="1" Grid.Row="2"/>
</Grid>
</StackLayout>
</Frame>
</StackLayout>
</DataTemplate>
</CollectionView.ItemTemplate>
</CollectionView>
</StackLayout>
</RefreshView>
</StackLayout>
</ScrollView>
<!--Der Button um in die Refreshview entweder die Vertretung für heute oder morgen zu laden-->
<Frame Style="{StaticResource ButtonStyleSwitchDay}" >
<Grid Margin="-15">
<Button Command="{Binding ChangeSide}" Background="Transparent" BorderColor="Transparent"/>
<Image Source="{Binding ButtonImageDay}"/>
</Grid>
</Frame>
</Grid>
The ViewModel workes fine, so there is no problem with it.
Thanks for helping me.

Answer 1

Credits: ewerspej
RefreshView must be on the outside and ScrollView on the inside like below:
<RefreshView >
<ScrollView>
````
</ScrollView>
</RefreshView>
Ref: https://learn.microsoft.com/en-us/dotnet/maui/user-interface/controls/refreshview?view=net-maui-7.0