MySQL Error: 
Array
(
    [0] => Array
        (
            [message] => MySQL Query Error
        )

    [1] => Array
        (
            [sql] => SELECT c1.*, cmt.*, COUNT(c2.cat_id) AS has_children FROM `grs_goods_category` AS c1 LEFT JOIN `grs_goods_category` AS c2 ON c2.parent_id = c1.cat_id LEFT JOIN `grs_goods_category_description` AS cmt ON cmt.lang_id = 1 AND cmt.cat_id = c1.cat_id WHERE c1.cat_id =  GROUP BY c1.cat_id LIMIT 1
        )

    [2] => Array
        (
            [error] => You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'GROUP BY c1.cat_id LIMIT 1' at line 1
        )

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

)