注文を送るのが難しい。

口座残高が 10 000、ロットサイズが0.07で、"Invalid Volume "というエラーが出続けます。

これは私のコードです、私はそれがボリュームtbhではないかもしれないと思います。

MqlTradeResult StageOneBuyRes={0};
MqlTradeRequest StageOneBuy={0};

StageOneBuy.action=TRADE_ACTION_DEAL;  
StageOneBuy.magic=MagicNumber;  
StageOneBuy.symbol=_Symbol;            // symbol
StageOneBuy.volume=Lot;
StageOneBuy.price=SymbolInfoDouble(_Symbol,SYMBOL_ASK);
StageOneBuy.sl=0;                  // Stop Loss is not specified
StageOneBuy.tp=0;                 // Take Profit is not specified 
StageOneBuy.deviation =7;  
StageOneBuy.type=ORDER_TYPE_BUY; // order type
StageOneBuy.type_filling = ORDER_FILLING_FOK;
StageOneBuy.comment = "test";
 

MqlTradeResult StageOneSellRes={1};
MqlTradeRequest StageOneSell={1};

StageOneSell.action=TRADE_ACTION_DEAL;  
StageOneSell.magic=MagicNumber;  
StageOneSell.symbol=_Symbol;            // symbol
StageOneSell.volume=Lot;
StageOneSell.price=SymbolInfoDouble(_Symbol,SYMBOL_BID);
StageOneSell.sl=0;                  // Stop Loss is not specified
StageOneSell.tp=0;                 // Take Profit is not specified 
StageOneSell.deviation =7;  
StageOneSell.type=ORDER_TYPE_SELL; // order type
StageOneSell.type_filling = ORDER_FILLING_FOK;
StageOneSell.comment = "test";