TROUBLESHOOTING HUB • PLATFORM CODES
◇ Troubleshooting Hub

MetaTrader error troubleshooter

Search and filter common MT4 & MT5 error codes. Understand terminal warnings, server rejections, and execution issues.

Showing all errors 8 / 8 codes
ERR_130

Invalid Stops (Error 130)

Expert Advisor
Stop-Loss or Take-Profit is too close to the current price.

Your stop-loss or take-profit level violates the broker's minimum stop level restrictions.

Resolution Checklist
  1. 1 Check your broker's minimum Stop Level distance for this asset.
  2. 2 Ensure you account for the bid/ask spread when buying or selling.
  3. 3 Adjust your stop buffer slightly further away from entry.
ERR_131

Invalid Trade Volume (Error 131)

Expert Advisor
Lot size is too small, too large, or has invalid fractions.

The trade lot volume request does not conform to the account lot specifications.

Resolution Checklist
  1. 1 Check your broker's Minimum and Maximum lot parameters.
  2. 2 Verify the Lot Step size (e.g., cannot trade 0.015 lots if step is 0.01).
  3. 3 Verify you have enough margin to cover the transaction volume.
ERR_133

Trade is Disabled (Error 133)

Broker
Trading on this account or symbol is restricted.

All trading activity is blocked for this specific account, symbol, or during market closed times.

Resolution Checklist
  1. 1 Check if your account login status is 'Read-Only' or Investor mode.
  2. 2 Ensure the current market session is open for this asset.
  3. 3 Contact your broker to verify account verification status.
ERR_134

Not Enough Money (Error 134)

Broker
Insufficient free margin to execute this trade size.

Your account balance and leverage are insufficient to satisfy the margin requirements.

Resolution Checklist
  1. 1 Decrease the lot size volume of your trade.
  2. 2 Check current leverage limits (lower leverage demands higher margin).
  3. 3 Close outstanding losing positions to release margin capacity.
ERR_10009

Off Quotes (Error 10009 / 4756)

Network
No current price quote is available or connection dropped.

Occurs when a rapid market swing prevents the server from filling the trade at your requested price.

Resolution Checklist
  1. 1 Increase slippage tolerance settings in your script or EA parameters.
  2. 2 Check ping rates to your broker's server and consider a VPS.
  3. 3 Avoid trading during high-impact news spikes when liquidity dries up.
ERR_NO_CONN

No Connection

Network
MetaTrader terminal is disconnected from the server.

The client terminal cannot establish contact with the broker's data center.

Resolution Checklist
  1. 1 Click the network status icon and select Rescan Servers.
  2. 2 Check internet firewall permissions blocking port 443.
  3. 3 Confirm server address matches your broker login sheet exactly.
ERR_INDICATOR

Indicator Does Not Load

Indicator
Custom indicator fails to appear on chart sheets.

The indicator binary file failed to compile or is placed in the incorrect folder.

Resolution Checklist
  1. 1 Ensure the file is inside the MQL4/Indicators or MQL5/Indicators directory.
  2. 2 Check the Journal tab for compilation error logs.
  3. 3 Enable 'Allow DLL imports' in the indicator inputs page if needed.
ERR_AUTOTRADING

EA Does Not Place Trades

Expert Advisor
EA is active but fails to trigger position calls.

Safety blocks are active on the terminal or within the EA parameters.

Resolution Checklist
  1. 1 Confirm the global 'Algo Trading' button at the top is green.
  2. 2 Check the EA 'Common' tab and verify 'Allow Algo Trading' is checked.
  3. 3 Verify the green smiley icon in the top right corner of the chart.

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