Need help.

<?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="Savanna.NXT.Xamarin.Forms.Views.OutfeedDialog">
    <StackLayout x:Name="OrientationControll" Orientation="Vertical">
        <StackLayout>
        <!--Problematic List View-->
            <RelativeLayout HeightRequest="31">
                <ListView Rotation="270" RowHeight="60" SeparatorVisibility="None"
                         RelativeLayout.XConstraint="{ConstraintExpression Type=RelativeToParent, Property=Width, Factor=0.5, Constant=-30}"
                         RelativeLayout.YConstraint="{ConstraintExpression Type=RelativeToParent, Property=Width, Factor=-0.5, Constant=30}"
                         RelativeLayout.WidthConstraint="{ConstraintExpression Type=Constant, Constant=60}"
                         RelativeLayout.HeightConstraint="{ConstraintExpression Type=RelativeToParent, Property=Width, Factor=1}" ItemsSource="{Binding StorageCompartment}"
                      SelectedItem="{Binding CurrentCompartment}">
                    <ListView.ItemTemplate>
                        <DataTemplate>
                            <ViewCell>
                                <ContentView Rotation="90" Padding="1" TranslationX="60">
                                    <Label HorizontalTextAlignment="Center" HeightRequest="29" WidthRequest="58" Text="{Binding Name}"/><!--Name is an public property of a Compartment(Object)... It works with vertical liesviews-->
                                </ContentView>
                            </ViewCell>
                        </DataTemplate>
                    </ListView.ItemTemplate>
                </ListView>
            </RelativeLayout>
            <!--End of Problematic Part ;)-->
            <Label VerticalOptions="Center" Text="{Binding ProductSearchHeadline}"/>
            <Entry VerticalOptions="Center" Text="{Binding ItemID, Mode=TwoWay}"
                       Placeholder="{Binding ItemIDHint}"/>
            <ListView
                ItemsSource="{Binding ItemIDHistory}"
                SelectedItem="{Binding SelectedElement, Mode=TwoWay}">
                <ListView.ItemTemplate>
                    <DataTemplate>
                        <TextCell Text="{Binding ItemId}" />
                    </DataTemplate>
                </ListView.ItemTemplate>
            </ListView>
        </StackLayout>
        <StackLayout>
            <Label VerticalOptions="Center" Text="{Binding LaneID}"/>
            <Entry VerticalOptions="Center"
                   Text="{Binding OutfeedAmount, Mode=TwoWay}"
                   Placeholder="{Binding OutfeedAmountHint}">
            </Entry>
        </StackLayout>
        <Button Text="{Binding ItemRequestButton}"
            Command="{Binding ItemRequestCommand}"
            HorizontalOptions="Center"/>
    </StackLayout>
</ContentPage>