Invalid volume error?

[Benrashi Sagev Jacobson]

Hello, I hope your making money and had an interesting day.

I would like to know a bit about how to invalid volume error, during one of my ea back-tests around 2016 the bot stopped trading caused by an invalid volume error.

I am new to meta trader five and this is one of the first successful EA's I coded and am hoping to sell on the market place, any help in this regard will be greatly appreciated.

2021.08.10 22:08:41.704    Core 1    2020.12.03 02:08:40   CTrade::OrderSend: instant buy 503.40 EURUSD at 1.21091 sl: 1.19091 [invalid volume]

double Balance = AccountInfoDouble(ACCOUNT_BALANCE);

double IncreaseLots = NormalizeDouble(Balance/50000,2);

static double Lots = IncreaseLots;

trade.Buy(Lots,NULL,Ask,0,0,NULL);

[Vladimir Karputov]

Read the article: The checks a trading robot must pass before publication in the Market

[Benrashi Sagev Jacobson]

Vladimir Karputov:

Read the article: The checks a trading robot must pass before publication in the Market

Thank you, the ea is now working.

double IncreaseLots = NormalizeDouble(Balance/10000,2);

double min_volume = NormalizeDouble(SymbolInfoDouble(_Symbol,SYMBOL_VOLUME_MIN),_Digits);
   
   double max_volume = NormalizeDouble(SymbolInfoDouble(_Symbol,SYMBOL_VOLUME_MAX),_Digits);
   
   if(IncreaseLots > max_volume)
   {
   
   IncreaseLots = max_volume;
   }