KAMA-error-type-initializer-for-threw-an-exception

KAMA indicator is not functioning and produces following error
"Initialize Exception (VYM) Line 21 - The type initializer for '†††
††††Œ' threw an exception.
at WealthLab.AdvancedSmoothers.KAMA.Populate()
at WealthLab.AdvancedSmoothers.KAMA..ctor(TimeSeries source, Int32 er, Int32 fast, Int32 slow)
at WealthScript8.MyStrategy.Initialize(BarHistory bars) in :line 21
at WealthLab.Backtest.UserStrategyExecutor.FillStub(List`1 symbols)"

CODE:
using WealthLab.Backtest;
using System;
using WealthLab.Core;
using WealthLab.Indicators;
using System.Drawing;
using System.Collections.Generic;
using WealthLab.AdvancedSmoothers;


namespace WealthScript8 
{
    public class MyStrategy : UserStrategyBase
    {
       public MyStrategy() : base()
        {

        }

        public override void Initialize(BarHistory bars)
        {
         indicator = new KAMA(bars.Close,10,2,30);
         PlotIndicator(indicator,Color.FromArgb(255,0,0,0));
         indicator2 = new KAMA(bars.Close,10,2,30);

         StartIndex = 10;
        }

        public override void Execute(BarHistory bars, int idx)
        {
         int index = idx;
         Position foundPosition0 = FindOpenPosition(0);
         bool condition0;
         if (foundPosition0 == null)
         {
            condition0 = false;
            {
               if (indicator.CrossesUnder(0.00, index))
               {
                  condition0 = true;
               }
            }
            if (condition0)
            {
               _transaction = PlaceTrade(bars, TransactionType.Buy, OrderType.Market, 0, 0, "Buy At Market (1)");
            }
         }
         else
         {
            condition0 = false;
            {
               if (indicator2.CrossesOver(0.00, index))
               {
                  condition0 = true;
               }
            }
            if (condition0)
            {
               ClosePosition(foundPosition0, OrderType.Market, 0, "Sell At Market (1)");
            }
         }

        }

      private IndicatorBase indicator;
      private IndicatorBase indicator2;

      private Transaction _transaction;
    }
}