Mql5 Trade.trademark Not Found

7 min read Sep 30, 2024

"mql5 trade.trademark not found" Error: What It Means and How to Fix It

This error message often appears when you're trying to use the trade.trademark() function in MetaTrader 5's MQL5 language. It signifies that the trade order you're attempting to execute cannot be placed because the trademark is not found in the current market context. Let's break down why this happens and how to troubleshoot it.

Understanding the `trade.trademark()` Function

The trade.trademark() function is a crucial part of MQL5's trade management system. It's designed to identify and manage open trade orders within your expert advisors (EAs) or custom indicators. The function relies on the trademark parameter, which you assign to each trade order. This unique identifier lets you track and manage specific trades.

Why Does the "trade.trademark not found" Error Occur?

The error message "mql5 trade.trademark not found" pops up when your code attempts to access or modify a trade order using the trade.trademark() function, but the specified trademark doesn't match any open orders associated with your trading account. This could be due to several reasons:

Incorrect Trade Identifier: You've used a wrong trademark value when calling trade.trademark(). Double-check that the trademark you're providing matches the trademark associated with the trade you want to manage.
Order Closure: The trade order you're referencing has been closed or deleted, making its trademark inaccessible.
Trade Order Deletion: You've explicitly deleted a trade order, effectively removing its trademark from the active trade list.
Account or Market Issues: There might be temporary issues with your trading account or the market, preventing access to trade information.

How to Troubleshoot the "mql5 trade.trademark not found" Error

Here's a step-by-step guide to resolving the "mql5 trade.trademark not found" error:

Verify Trade Identifier: Carefully review your code, particularly the parts where you define and use trademarks. Ensure you're providing the correct trademark value when referencing a specific trade order.
Check Trade Order Status: Use the OrdersTotal() function to get the total number of open orders. Then, iterate through the orders using OrderSelect() and inspect the OrderTicket() of each open order to identify the trademark associated with it.
Confirm Trade Order Existence: Make sure the trade order you're trying to access still exists. If the order has been closed or deleted, it won't have a trademark anymore. You'll need to adapt your code to handle closed or deleted orders appropriately.
Test in a Demo Account: Before deploying your EA or indicator in a live trading environment, always test it thoroughly in a demo account. This helps you identify potential errors like the "mql5 trade.trademark not found" error in a risk-free environment.
Check for Server-Side Issues: Occasionally, server-side issues can lead to temporary difficulties accessing trade data. If you suspect server issues, try reconnecting to the trading platform or waiting for a brief period before attempting to execute trades.

Example: Using the `trade.trademark()` Function

// Define a trademark for a new trade order
int tradeMark = 12345;

// Place a buy order with the specified trademark
int ticket = OrderSend(Symbol(), OP_BUY, 0.1, Ask, 3, 3, 0, "Buy Order", tradeMark, 0, 0);

// Later, use the trademark to modify the order
if (OrderSelect(ticket, SELECT_BY_TICKET)) {
  if (OrderSymbol() == Symbol() && OrderMagicNumber() == tradeMark) {
    // Modify the order's stop loss
    OrderModify(ticket, 0, 0, 0, OrderSL(), 0, 0);
  }
}

Avoiding the "mql5 trade.trademark not found" Error

Unique Trademarks: Ensure each trade order has a unique trademark to differentiate it.
Consistent Management: Use the trade.trademark() function consistently throughout your code to maintain a clear track of your open orders.
Error Handling: Implement robust error handling mechanisms to catch and address cases where the trademark is not found.

Conclusion

The "mql5 trade.trademark not found" error arises when your code cannot locate a trade order using the specified trademark. Carefully reviewing your code for accurate trademark usage, checking the status of open orders, and testing your code in a demo environment can help pinpoint the issue and fix it effectively. This understanding will enhance your ability to manage trades and build robust trading strategies using the powerful capabilities of MQL5.

Mql5 Trade.trademark Not Found