❔ WPF slide in from right to left Storyboard

Severity    Code    Description    Project    File    Line    Suppression State
Error    XDG0010    Cannot freeze this Storyboard timeline tree for use across threads.    WPFTodo    C:\Users\Indeed\Desktop\Stuff\Repositories\c#\WPFTodo\Views\TodoDisplayView.xaml    133    

<Grid
    x:Name="ContentGrid"
    Grid.Column="1"
    RenderTransformOrigin="1,0"
    Visibility="{Binding DisplayMore, Converter={StaticResource boolToVis}}">
    <Grid.RenderTransform>
        <TranslateTransform X="{Binding ActualWidth, ElementName=ContentGrid}" />
    </Grid.RenderTransform>
    <Grid.Style>
        <Style>
            <Style.Triggers>
                <DataTrigger
                    Binding="{Binding IsVisible, RelativeSource={RelativeSource Self}}"
                    Value="True">
                    <DataTrigger.EnterActions>
                        <BeginStoryboard Storyboard="{StaticResource SlideInRightToLeftStoryboard}" />
                    </DataTrigger.EnterActions>
                    <DataTrigger.ExitActions>
                        <BeginStoryboard Storyboard="{StaticResource SlideOutLeftToRightStoryboard}" />
                    </DataTrigger.ExitActions>
                </DataTrigger>
            </Style.Triggers>
        </Style>
    </Grid.Style>
</Grid>