MT5 · Trade return codes
MT5 10034 · The volume of orders and positions for the symbol has reached the limit | YI GOLD
TRADE_RETCODE_LIMIT_VOLUME
Official meaning
The volume of orders and positions for the symbol has reached the limit
Possible causes · YI GOLD suggestions
Volume falls outside symbol minimum, maximum, step or directional aggregate limits.
Troubleshooting · YI GOLD suggestions
Read volume_min, volume_max, volume_step and volume_limit for the actual symbol. Round down to the step; do not send an order below minimum volume.