i use ordersend() to order a ticket ,then modify it ,but failed ,anyone can tell me why?

[[Deleted]]

int start()
{
//----
int _sell= OrderSend(Symbol(),OP_BUYSTOP,1.0,Bid+100*Point,0,0,0,"some comment",16384,0,Green);
Sleep(10000);
OrderModify(_sell, Bid + 250 * Point, Bid + 6000 * Point - 250 * Point, Bid + 350 * Point + 6000 * Point, Blue);


//----
return(0);
}

[Alexander]

Your stopLoss - Bid + 6000 * Point - 250 * Point more higher then price - Bid + 250 * Point. It's not possible for buy orders!