what thing I must check before send request until this error not happen? failed prices for 0.00 [Invalid request]

[super Metatrader]

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[Alain Verleyen]

Please edit your message and use SRC button.

Forum on trading, automated trading systems and testing trading strategies

Hello,

Please use the SRC button when you post code.

Thank you.

[Alain Verleyen]

ali poormomen:

when I run it
"EURGBP" is not open
This error happened

result1.retcode==10013

failed prices for  0.00 [Invalid request]

what thing I must check before send request until this error not happen?.

thanks 

What do you mean "not open" ?

Check your price before sending a request, SymbolInfoTick() is a function, if there is no quote it returns false, so don't send a request to that symbol in such case.