EA not showing
Confirm the file is inside MQL5 -> Experts, then restart or refresh Navigator.
Panel not appearing
Check Algo Trading and EA permissions when attaching Magic Key to a chart.
WebRequest error
Add the exact validation URL under Tools -> Options -> Expert Advisors.
License inactive
Check the key, email, plan status, device, and WebRequest setup.
Buttons not working
Confirm market is open, symbol is tradeable, broker allows EAs, and lot size is valid.
Invalid lot size
Check broker minimum lot, maximum lot, lot step, contract size, and symbol settings.
Broker rejects order
Review spread, stops level, margin, symbol trading mode, and market status.
VPS/device reset required
Email support with order number, license key, old setup, and new setup details.