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

    [1] => Array
        (
            [sql] => select get_child_list(0) as ids
        )

    [2] => Array
        (
            [error] => Row 275 was cut by GROUP_CONCAT()
        )

    [3] => Array
        (
            [errno] => 1260
        )

)