Assertation failed and incorrect generation for creating delegates

[AqlaSolutions]

LuaSyntaxNodeTransfor.Object:50 when processing new Action<dynamic> argument.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using NativeApi;

public class Program
{
    public static void Main()
    {
        var script = G.Get("script");
        script.on_init(new Action<dynamic>(EventHandler));
    }

    static void EventHandler(dynamic eve)
    {
    }
}

namespace NativeApi
{
    public class G
    {
        public static dynamic Get(dynamic n)
        {
            throw new NotImplementedException();
        }

        public static dynamic Set(dynamic n, dynamic v)
        {
            throw new NotImplementedException();
        }
    }
}

<?xml version="1.0" encoding="utf-8" ?>
<meta>
  <assembly>
    <namespace name="NativeApi">
      <class name="G" Name="_G">
        <method name="Get" ArgCount="1" Template="_G[{0}]" />
        <method name="Set" ArgCount="2" Template="_G[{0}] = {1}" />
      </class>
    </namespace>
  </assembly>
</meta>