Sell-signal-not-executed-in-live-trading-Alpaca

CODE:
public override void Execute(BarHistory bars, int idx)
        {
         int index = idx;
         Position foundPosition0 = FindOpenPosition(0);

         DateTime currentDay = bars.GetDate(index);
         TimeSpan currentTime = bars.GetTime(index);
         DateTime currentDateTime = currentDay + currentTime;

         // If we have an open position and the market is closing soon, close that position
         if (foundPosition0 != null && !_market.IsOpenMarketTime(currentDateTime.AddMinutes(5)))
         {
            ClosePosition(foundPosition0, OrderType.Market, 0, "MARKET_CLOSING");

            return;
         }

         // If the market is currently closed, don't open any new positions
         if (!_market.IsOpenMarketTime(currentDateTime))
         {
            return;
         }
         
         bool condition0;
         if (foundPosition0 == null)
         {
            condition0 = false;
            {
               if (indicator.CrossesOver(Parameters[1].AsDouble, index))
               {
                  condition0 = true;
               }
            }
            if (condition0)
            {
               _transaction = PlaceTrade(bars, TransactionType.Buy, OrderType.Market, 0, 0, "Buy At Market (1)");
            }
         }
         else
         {
            condition0 = false;
            {
               if (indicator2.CrossesUnder(Parameters[2].AsDouble, index))
               {
                  condition0 = true;
               }
            }
            if (condition0)
            {
               ClosePosition(foundPosition0, OrderType.Market, 0, "Sell At Market (1)");
            }
         }
        }

QUOTE:
That would just leave the question of why it created 2 long positions, despite the strategy settings to create at most 1 long position.