Using the same xaml code that you've provided I get the same error I described previously. Could you please let me know as soon as possible how I can get around this?

I've just started using Tcharts in a WPF application. Having added a TChart to the main window, I'm getting the following error when I build the application: The tag 'TChart' does not exist in XML namespace 'clr-namespace:Steema.TeeChart.WPF;assembly=TeeChart.WPF'.Line 20 Position 10 A reference to ...