<strong>MySQL server error report:Array
(
    [0] => Array
        (
            [message] => MySQL Query Error
        )

    [1] => Array
        (
            [sql] => SELECT rank_id, IFNULL(up.member_price, r.discount *  / 100) AS price, r.rank_name, r.discount FROM `atpt`.`grs_member_rank` AS r LEFT JOIN `atpt`.`grs_member_price` AS up ON up.course_id = '' AND up.member_rank = r.rank_id WHERE r.show_price = 1 OR r.rank_id = '0'
        )

    [2] => Array
        (
            [error] => You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '/ 100) AS price, r.rank_name, r.discount FROM `atpt`.`grs_member_rank` AS r LEFT' at line 1
        )

    [3] => Array
        (
            [errno] => 1064
        )

)