1. Invalid Account
- Wrong login/password
- Wrong server selected
2. No Connection
- Internet issues
- Server temporarily busy
3. Not Enough Money
- Insufficient free margin
4. Market Closed
- Trying to trade on weekends or holidays
5. Off Quotes
- Price not available at that moment

FAQ
Q: I keep getting “Invalid Account.” What should I do?
A: Reset your MT5 password from Client Portal if needed.
