Unable to get the time difference

Hi akhan786 ,

Modify formula like below:

Result =
VAR curIndex = 'Data'[Index]
VAR loggedOutTime =
    CALCULATE (
        MAX ( 'Data'[EndTime] ),
        FILTER (
            ALLEXCEPT ( 'Data', 'Data'[Account] ),
            'Data'[Index] = curIndex - 1
                && 'Data'[Login State] = "Logged Out"
        )
    )
RETURN
    DATEDIFF (
        loggedOutTime,
        IF ( ISBLANK ( loggedOutTime ), BLANK (), 'Data'[EndTime] ),
        MINUTE
    )

Best Regards,
Adamk Kong

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