NebulaLauncher/Nebula.Launcher/MessageBox/MessageView.axaml

<UserControl xmlns="https://github.com/avaloniaui"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
             xmlns:views="clr-namespace:Nebula.Launcher.Views"
             mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450"
            
             x:Class="Nebula.Launcher.MessageBox.MessageView">
    <views:VisualErrorView x:Name="ErrorView"/>
</UserControl>