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hello, folks my mt5 script is very simple, it read csv like this : void OnStart ()   { //---    string dt ;    int file_20 = FileOpen ( "104782531.csv" , FILE_READ | FILE_CSV , ';' );       

solved

hello mql engineers, I compiled a code with newest version of MT4, when load it it report "is not a script" this source code is writtern last month, and compiled no problem and works well with last month' updated mt4, today,  I download new