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I receive error when I run EA optimization, can somebody please help fix?

2022.08.05 19:34:07.497 Core 2 genetic pass (3, 333) tested with error "OnInit returned non-zero code 1" in 0:00:00.022 MQ5 attached thanks 🙏

Same EA settings, same inputs, but backtest results changed

I came across this issue, I was testing an ea for over 4 months, most of the time I just re-tested same settings and results were good, yesterday I decided to do one last test with the same settings before going live and the backtest result was bad...my question is what happened? why? Did the broker

Strategy Optimatization

I would like to optimize my Expert Advisor but when I run optimization it takes several days to complete and my computer keeps heating, bought vps service with mql5...is there a way to run strategy optimatization on vps? If yes, I would appreciate if you could provide a quick screenshot with