I get the error: 2019.01.02 23:58:00 PlaceOrder: error 4756, retcode = 10013 4756 : Trade request sending failed 10013:Invalid request Anyone an idea why this fails?? MqlTradeRequestreq={0}; req.action =TRADE_ACTION_SLTP; req.symbol =_Symbol; req.magic = MagicNumber; req.volume = v...