Issues with the S#.Shell solution

Hello.

I just loaded the Shell solution into VS for the first time and I'm unable to build.

The Shell project is targeting .NET 5.0. Was there a recent migration that could be erroneous? Thank you in advance for the help!

Cheers,
Kyle

The following codes are generated on build:
Error MC3074 The tag 'NullToVisibilityConvertor' does not exist in XML namespace 'clr-namespace:Ecng.Xaml.Converters;assembly=Ecng.Xaml'. Line 9 Position 4. Shell <hidden>Documents\StockSharp\Shell\App.xaml 9
Error MC3072 The property 'XamlHelper.DialogResult' does not exist in XML namespace 'clr-namespace:Ecng.Xaml;assembly=Ecng.Xaml'. Line 26 Position 83. Shell <hidden>Documents\StockSharp\Shell\RemoteManager\AddRemoteStrategyWindow.xaml 26
Error MC3074 The tag 'EnumBooleanConverter' does not exist in XML namespace 'clr-namespace:Ecng.Xaml.Converters;assembly=Ecng.Xaml'. Line 17 Position 4. Shell <hidden>Documents\StockSharp\Shell\RemoteManager\RemoteManagerLayoutGroup.xaml 17
Error MC3072 The property 'XamlHelper.DialogResult' does not exist in XML namespace 'clr-namespace:Ecng.Xaml;assembly=Ecng.Xaml'. Line 35 Position 85. Shell <hidden>Documents\StockSharp\Shell\XAML\AddStrategyWindow.xaml 35
Error MC3072 The property 'XamlHelper.DialogResult' does not exist in XML namespace 'clr-namespace:Ecng.Xaml;assembly=Ecng.Xaml'. Line 15 Position 13. Shell <hidden>Documents\StockSharp\Shell\XAML\Common\PairEditWindow.xaml 15