R interface with C# error with com exception

using RServerManager;
using STATCONNECTORCLNTLib;
using StatConnectorCommonLib;
using STATCONNECTORSRVLib;
using StatConnTools;
using StatConnControls;

namespace Rstats
{
    public partial class Form1 : Form
    {
        private StatConnector rconn;
        private int dataSize;

        public Form1()
        {
            InitializeComponent();
            dataSize = 100;
            rconn = new STATCONNECTORSRVLib.StatConnector();
            rconn.Init("R");
            
        }