2021.11.04 10:00:01.186         (p888,M15)        CTrade::OrderSend: exchange sell 1.00 position #1352807 MA201 [invalid request] 
2021.11.04 10:00:01.186         (p888,M15)        多止损失败!4009 
 
2021.11.04 10:00:01.216         (jd888,M15)        CTrade::OrderSend: exchange sell 1.00 position #1352807 MA201 [invalid request] 
2021.11.04 10:00:01.216         (jd888,M15)        多止损失败!4009 
 
2021.11.04 10:00:01.292         (lu888,M15)        CTrade::OrderSend: exchange sell 1.00 position #1352807 MA201 [invalid request] 
2021.11.04 10:00:01.292         (lu888,M15)        多止损失败!4009 
 
2021.11.04 10:10:01.077         (lh888,M15)        开多失败!4009 
 
2021.11.05 10:15:00.411         (eb888,M15)        CTrade::OrderSend: exchange sell 1.00 position #1007368 MA201 [invalid request] 
2021.11.05 10:15:00.411         (eb888,M15)        平多失败!4009 
 
 
Mt5ctp自动交易时总是不停地提示: 
4009 错误 和 CTrade::OrderSend: exchange sell 1.00 position #1352807 MA201 [invalid request]  
 
 
这是什么原因?应如何改进? 
 
 
 
 
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