Validation

 
Is it possible that in my back test I don't have any errors but when I go to validate a product in the Market it gives me errors that I can't find?
 
Roberto Liguoro:
Is it possible that in my back test I don't have any errors but when I go to validate a product in the Market it gives me errors that I can't find?

Yes. Because simple backtest is going without checking the many factors.

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1. The checks a trading robot must pass before publication in the Market - the article

2. Solving Automatic Validation Problems Arising During Product Submission in MQL5 Market - blog post

3. there are no trading operations - the forum thread

4. Strategy tester report not found - the forum thread

The checks a trading robot must pass before publication in the Market
The checks a trading robot must pass before publication in the Market
  • 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.
 
Roberto Liguoro:
Is it possible that in my back test I don't have any errors but when I go to validate a product in the Market it gives me errors that I can't find?

you will be able to fix by just looking at what error message is all about and fix your code. 

 
Guys thank you very much for the help you are giving me but in the end I opted to open a freelance ad where I was helped and I finally published my Expert on the market. In fact, if anything, you're going to see it, I'm happy to receive feedback. The Expert's name is <...>