Fatal error while type in command line.

[cuongtk2]

I'm type "NET" in commandline (not press Enter) and wait 5 second. Error dialog show.

In debug:

namespace Autodesk.AutoCAD.ViewModel.CommandLine;

public class HintViewerViewModel : DependencyObject

What is it?

[cuongtk2]

Uncheck Hatch in Content Type