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Downloading historical data in another Time Zone - MT4 Backtesting

Hello ! I want to backtest a strategy and I found a csv file for the period and index that I want but it is in the GMT -6 TimeZone. My MT4 account uses my broker's Time Zone which is GMT +2. My question is, can I still use the data from the csv file ? And if yes, do I have to do something (change

Error when trying to run an Expert advisor (MT4)

Hello ! I have been using an EA on my demo account in MT4 last week and everything was working just fine. Friday before the market closed, I removed the EA from the chart and closed MT4. Today (2020.7.6) when trying to attach it to the chart again I got this alert : « Your copy for testing to