Integration of private account to to connect to mql5

i dont know if this paragraph is public so i arn't including my account and password on this statement . SHOULD AN EXPERT CONNECT MY OCTA FX PRIVATE ACCOUNT TO AN MQL5 TERMINAL . THE LOG RECORDING STATES "INVALID ACCOUNT" WHETHER FURTHER ADVICE OR A TECHNICIANS MANUALLY CONNECTING MY MQL5 TO MY OCTA-FX REAL ACCOUNT .