MT4 Error 4109 (Trade is Not Allowed) typically occurs when an expert advisor (EA) or script attempts to place a trade, but trading is disabled. This can be due to several reasons, such as:
✅ AutoTrading is Disabled – Ensure that the “AutoTrading” button in MT4 is enabled.
✅ EA Settings Issue – Check if the EA settings allow live trading. Go to Tools > Options > Expert Advisors and ensure “Allow automated trading” is checked.
✅ Account Restrictions – Some brokers disable automated trading on certain account types. Verify with your broker.
✅ Trading Hours & Market Conditions – Ensure the market is open and the instrument allows trading.
How to Fix MT4 Error 4109
1️⃣ Enable AutoTrading in the MT4 toolbar.
2️⃣ Check the EA’s Properties (F7) and ensure “Allow live trading” is selected.
3️⃣ Confirm with your broker that automated trading is permitted.
4️⃣ Verify trading hours and ensure there are no restrictions.
If the issue persists, check the MT4 Journal (Terminal > Journal) for additional clues.
What Is Error 4109? MQL4
MT4 Error 4109 is an error commonly found with expert advisors due to the settings not being set up to allow trading. Let’s take a deeper look at how to fix this issue for both MT4 and MT5.
MT4 Error 4109 - Trade Not Allowed
Protections are in place to ensure that an Expert Advisor is only intentionally applied to charts to start placing orders.
A few checks and balances must be made in order to allow live trading via the Expert.
How to Fix Error 4109 MT4
Under the common Tab when in the Expert Advisor settings, ensure the option “Allow Live Trading” section is ticked. There is also an “Algo Trading” button which needs to display the green ‘play’ sign rather than a red ‘stop’ sign. You should see a Smiley Face on your MT4 chart in the top right corner of the chart.
Error 4109 MT4 - Trades Not Working
Trades still not working? There is a more global section of options that may be affecting your EA or Expert Advisor. To access these more global settings, in MT4 up the top toolbar, click Tools then options (Or the shortcut is CTRL O for options.)
Select the Expert Advisors tab up the top of the window that opens, then ensure “Allow algorithmic trading” is ticked.
0 Comments