Variable-with-more-than-one-value

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


namespace WealthScript5
{
   public class MyStrategy : UserStrategyBase
   {
      public MyStrategy() : base()
      {

      }

      public override void Initialize(BarHistory bars)
      {
         indicator1 = new SMA(bars.Close, 7);
         PlotIndicator(indicator1, new WLColor(0, 0, 0));
         indicator1.MassageColors = true;
         indicator2 = new SMA(bars.Close, 14);
         PlotIndicator(indicator2, new WLColor(0, 0, 255));
         indicator2.MassageColors = true;
         indicator12 = new SMA(bars.Close, 7);
         indicator22 = new SMA(bars.Close, 14);
         StartIndex = 14;
      }

      public override void Execute(BarHistory bars, int idx)
      {
         int index = idx;
         Position foundPosition0 = FindOpenPosition(0);
         bool condition0;
         bool newposition; 
         TimeSeries ds = bars.Close; 
         Double buyprofit = 1.005;

         if (foundPosition0 == null)
         {
            condition0 = false;
            {
               if (index - 0 >= 0 && indicator1[index] > indicator2[index - 0])
               {
                  condition0 = true;
               }
            }
            if (condition0)
            {
               _transaction = PlaceTrade(bars, TransactionType.Buy, OrderType.Market, 0, 0, "Buy At Market (1)");
            }
         }
         else
         {
            condition0 = false;
            {
               if (index - 0 >= 0 && indicator12[index] < indicator22[index - 0])
               {
                  condition0 = true;
               }
            }
            if (condition0)
            {
               foreach (Position pos in OpenPositions) 
                  ClosePosition(pos, OrderType.Market); 
            }
            else
            {
               newposition = false; 
               Position open = LastOpenPosition; 
               Double re = open.EntryPrice * buyprofit; // my code add          
               if (ds[idx - 1] > re) 
               {
                  if (index - 0 >= 0 && indicator1[index] > indicator2[index - 0]) 
                  {
                     newposition = true; 
                  }
                  if (newposition) 
                  {
                     _transaction = PlaceTrade(bars, TransactionType.Buy, OrderType.Market, 0, 0, "Buy At Market (2)"); 
                  }
               }
            }




         }


      }

      public override void NewWFOInterval(BarHistory bars)
      {
         indicator1 = new SMA(bars.Close, 7);
         indicator2 = new SMA(bars.Close, 14);
         indicator1 = new SMA(bars.Close, 7);
         indicator2 = new SMA(bars.Close, 14);
         indicator12 = new SMA(bars.Close, 7);
         indicator22 = new SMA(bars.Close, 14);
         indicator12 = new SMA(bars.Close, 7);
         indicator22 = new SMA(bars.Close, 14);

      }

      private IndicatorBase indicator1;
      private IndicatorBase indicator2;
      private IndicatorBase indicator12;
      private IndicatorBase indicator22;

      private Transaction _transaction;
   }
}