Cant resolve existing property

[Wowhere]

Error "Unable to resolve property or method of name 'Status' on type 'simpleserver.ViewModels.HttpServerRunner'"

View code:

<Window xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:vm="using:simpleserver.ViewModels" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:m="using:simpleserver.Models" xmlns:local="using:simpleserver.Converters" mc:Ignorable="d" d:DesignWidth="800" d:DesignHeight="450" x:Class="simpleserver.Views.MainWindow" x:CompileBindings="True" x:DataType="vm:MainWindowViewModel" Icon="/Assets/avalonia-logo.ico" WindowStartupLocation="CenterScreen" ExtendClientAreaToDecorationsHint="True" ExtendClientAreaTitleBarHeightHint="-1" > <Window.Styles> </Window.Styles> <Window.Resources> <local:TextConverter x:Key="TextConverter"/> </Window.Resources> <Border BorderThickness="1.5" BorderBrush="#D2B1A38E" IsVisible="True"> <StackPanel> <Label Margin="10,5,10,0" BorderBrush="White">Simple Servers</Label> <Button Background="BlueViolet" Margin="10,10,10,10" Content="Add Server" Command="{Binding AddServerCommand}"></Button> <TreeDataGrid Source="{Binding ServerGridData}" HorizontalAlignment="Stretch" BorderThickness="2" BorderBrush="Gray" CanUserResizeColumns="True"> <TreeDataGrid.Resources> <DataTemplate x:CompileBindings="True" x:Key="statusText" x:DataType="vm:HttpServerRunner"> <TextBox Text="{Binding Status}"></TextBox> </DataTemplate> </TreeDataGrid.Resources> </TreeDataGrid> </StackPanel> </Border> </Window>

Why avalonia cant resolve existing property? "x:Datatype" and "DataType" results are the same