Array
(
    [0] => 1198: /codeigniter/database/DB_driver.php: trace
    [1] => 119: /codeigniter/database/DB_driver.php: display_error
    [2] => 137: /codeigniter/database/DB.php: initialize
    [3] => 217: /codeigniter/libraries/Loader.php: DB
    [4] => 932: /codeigniter/libraries/Loader.php: database
    [5] => 82: /codeigniter/libraries/Controller.php: _ci_autoloader
    [6] => 43: /codeigniter/libraries/Controller.php: _ci_initialize
    [7] => 44: /application/libraries/MY_Controller.php: Controller
    [8] => 5: /application/controllers/site.php: __construct
    [9] => 8: /application/controllers/site/member.php: __construct
    [10] => 200: /codeigniter/codeigniter/CodeIgniter.php: __construct
    [11] => 130: /html/index.php: require_once
)