MT5 · Trade return codes
MT5 10042 · The request is rejected, because the " Only long positions are allowed " rule is set for the symbol ( POSITION_TYPE_BUY ) | YI GOLD
TRADE_RETCODE_LONG_ONLY
Official meaning
The request is rejected, because the " Only long positions are allowed " rule is set for the symbol ( POSITION_TYPE_BUY )
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.