A Database Error Occurred

Error Number: 1054

Unknown column 'menu_name" . $this->lang() . "' in 'order clause'

SELECT SQL_CALC_FOUND_ROWS `id`, `menu_name-rus`, `type`, `parent_category`, `brand`, `url` FROM `goods_group` WHERE `visible` = 1 ORDER BY `in_shop` DESC , `menu_name" . $this->lang() . "` ASC,`popularity` DESC LIMIT 0, 100

Filename: models/user/Model_user_shop.php

Line Number: 11775