Error during validation the EA for sale

 
Hi,

  I have this error during validation the EA for sale? I made backtest manually without any error.

The error in the attachment, how can I correct it
 
You can write to the Market moderator
 

Obviously there is an error in you code try checking MODE_MINLOT and MODE_LOTSTEP to make sure that your trade volume meets the requirements.

If you have this error while you are trying to publish a market product, i worry about the quality of the product.

 
See https://www.mql5.com/en/articles/2555#invalid_lot
The checks a trading robot must pass before publication in the Market
The checks a trading robot must pass before publication in the Market
  • 2016.08.01
  • MetaQuotes Software Corp.
  • www.mql5.com
Before any product is published in the Market, it must undergo compulsory preliminary checks in order to ensure a uniform quality standard. This article considers the most frequent errors made by developers in their technical indicators and trading robots. An also shows how to self-test a product before sending it to the Market.
 
Sergey Golubev:
You can write to the Market moderator
How can I reach to market moderator?
 

It is in comment section of your product's page (I see this section on the image on the first post of the thread).
if it will not help so write to the service desk.

 
I know how to solve your problem create a job for me in freelance hehe
Very easy hehe