SyntaxEditor crash

Hello, I encountered Syntax editor crash. To rerpoduce:

1. Run Actipro Winforms Control Sample application

2. Select C# editor on the left panel

3. Write a class at the beginning of a namespace:

public class asd

{

   public int i {get; set;}

}

4. Go inside DemoTest method and type

var a = new asd

and press enter - after that application crashes. I also can reproduce this in my application with Syntax editor

See printscreen with code sample:

https://www.dropbox.com/s/m0krxw5suqwh2nl/crash.png?dl=0