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My EA does not buy and sell automatically when I back test it.

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Hi, I want to back test my EA code, I select my EA from strategy tester tab and adjust all the settings, when I hit start button the back testing begins and the chart starts moving , but my EA does not buy and sell automatically, What's the problem? what should I do? Here is my EA code: 
//+------------------------------------------------------------------+
//| Property                                                         |
//+------------------------------------------------------------------+
#property strict
//+------------------------------------------------------------------+
//| Global variables                                                 |
//+------------------------------------------------------------------+
input int MA_Period = 50; // Period for the moving average
input double Risk_Percentage = 1.5; // Adjusted risk percentage per trade
input double Stop_Loss = 100.0; // Initial stop loss in points
input double Take_Profit = 200.0; // Take profit level in points
double LotSize; // Position size based on risk
int Digits; // Number of decimal places for the symbol
double AccountBalance = 10000.0; // Account balance in USD

//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
int OnInit()
{
   Digits = int(SymbolInfoInteger(_Symbol, SYMBOL_DIGITS)); // Get the number of decimal places for the symbol
   LotSize = CalculatePositionSize(); // Calculate initial lot size
   
   Print("Expert Advisor initialized successfully.");
   
   return(INIT_SUCCEEDED);
}
//+------------------------------------------------------------------+
//| Expert deinitialization function                                 |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
{
   Print("Expert Advisor deinitialized successfully.");
}
//+------------------------------------------------------------------+
//| Expert tick function                                             |
//+------------------------------------------------------------------+
void OnTick()
{
   double closePrice[]; // Declare 'closePrice' as an array

   if (Bars(_Symbol, 0) < MA_Period + 2) // Check if there is enough historical data
      return;

   if (!CopyClose(_Symbol, 0, 1, 1, closePrice))
   {
      Print("Error copying Close price: ", GetLastError());
      return;
   }

   double ma = iMA(_Symbol, 0, MA_Period, 0, MODE_SMA, PRICE_CLOSE);
   
   if (closePrice[1] < ma && closePrice[0] > ma && closePrice[1] < closePrice[0] - 10) // Add condition to check price trend and other sophisticated entry conditions
   {
      MqlTradeRequest request;
      request.action = TRADE_ACTION_DEAL;
      request.magic = 123456;
      request.symbol = _Symbol;
      request.volume = LotSize; // Use calculated lot size
      request.price = SymbolInfoDouble(_Symbol, SYMBOL_ASK);
      request.type = ORDER_TYPE_BUY;
      request.type_filling = ORDER_FILLING_FOK;
      
      double Point = SymbolInfoDouble(_Symbol, SYMBOL_POINT); // Define Point
      
      request.tp = NormalizeDouble(closePrice[0] + CalculateTakeProfit() * Point, Digits); // Set dynamic take profit level
      request.sl = NormalizeDouble(closePrice[0] - CalculateStopLoss() * Point, Digits); // Set dynamic stop loss level

      MqlTradeResult result;

      if (!OrderSend(request, result))
      {
         Print("Buy OrderSend error: ", GetLastError());
         return;
      }
   }
   else if (closePrice[1] > ma && closePrice[0] < ma && closePrice[1] > closePrice[0] + 10) // Add condition to check price trend and other sophisticated entry conditions
   {  
      MqlTradeRequest request;
      request.action = TRADE_ACTION_DEAL;
      request.magic = 123456;
      request.symbol = _Symbol;
      request.volume = LotSize; // Use calculated lot size
      request.price = SymbolInfoDouble(_Symbol, SYMBOL_BID);
      request.type = ORDER_TYPE_SELL;
      request.type_filling = ORDER_FILLING_FOK;

      double Point = SymbolInfoDouble(_Symbol, SYMBOL_POINT); // Define Point
      
      request.tp = NormalizeDouble(closePrice[0] - CalculateTakeProfit() * Point, Digits); // Set dynamic take profit level
      request.sl = NormalizeDouble(closePrice[0] + CalculateStopLoss() * Point, Digits); // Set dynamic stop loss level

      MqlTradeResult result;

      if (!OrderSend(request, result))
      {
         Print("Sell OrderSend error: ", GetLastError());
         return;
      }
   }
}

//+------------------------------------------------------------------+
//| Calculate dynamic stop loss based on market conditions           |
//+------------------------------------------------------------------+
double CalculateStopLoss()
{
    double tick_value = SymbolInfoDouble(_Symbol, SYMBOL_TRADE_TICK_VALUE);
    double tick_size = SymbolInfoDouble(_Symbol, SYMBOL_TRADE_TICK_SIZE);
    
    return ((AccountBalance * Risk_Percentage / (LotSize * Stop_Loss)) / (tick_value * tick_size));
}

//+------------------------------------------------------------------+
//| Calculate dynamic take profit based on market conditions         |
//+------------------------------------------------------------------+
double CalculateTakeProfit()
{
    double tick_value = SymbolInfoDouble(_Symbol, SYMBOL_TRADE_TICK_VALUE);
    double tick_size = SymbolInfoDouble(_Symbol, SYMBOL_TRADE_TICK_SIZE);

    return ((AccountBalance * Risk_Percentage / (LotSize * Take_Profit)) / (tick_value * tick_size));
}

//+------------------------------------------------------------------+
//| Calculate dynamic position size based on risk percentage and stop loss|
//+------------------------------------------------------------------+
double CalculatePositionSize()
{
    double tick_value = SymbolInfoDouble(_Symbol, SYMBOL_TRADE_TICK_VALUE);
    double tick_size = SymbolInfoDouble(_Symbol, SYMBOL_TRADE_TICK_SIZE);
    
    double riskAmount = AccountBalance * Risk_Percentage;
    double maxLoss = riskAmount * LotSize * Stop_Loss;
    
    return NormalizeDouble(maxLoss / (tick_value * tick_size), 2);
}
محمد دهقانی:  What's the problem? what should I do?

I have pointed out multiple issues in your other posts. Reread them and fix your broken code.

William Roeder #:

I have pointed out multiple issues in your other posts. Reread them and fix your broken code.

would you please point out them again , I removed my posts and i don’t have access to these notes that you mentioned. please.
William Roeder #:

I have pointed out multiple issues in your other posts. Reread them and fix your broken code.

point out them just one more time please, I really need help, I want to make my EA work, please exactly tell me where should I modify in my code that my EA can buy and sell.
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