Hey Vilntus,

Do you mean the Portfolio EA for EURUSD from the course?

The only reason might be that you have enabled the AutoTrading after placing the EA on the chart.

Just remove the EAs from the charts. Enable the AutoTrading again, and place the 3 Portfolio EAs again on the chart. No problem if there are opened trades, the Magic numbers recognize the trades.

Also, check if you see any errors in the Journal or the Experts tab below the Terminal.