MT5 · Trade return codes
MT5 10030 · Invalid order filling type | YI GOLD
TRADE_RETCODE_INVALID_FILL
Official meaning
Invalid order filling type
Possible causes · YI GOLD suggestions
Determine the cause from the official meaning, the triggering function and terminal logs.
Troubleshooting · YI GOLD suggestions
Check permissions, sessions, symbol specifications, quotes and request parameters. Reproduce in a demo account. Do not retry rejected requests indefinitely.