select * from yc4_item where (ca_id like '1050%' or ca_id2 like '1050%' or ca_id3 like '1050%') and it_use = '1' order by it_type3%20desc , it_order, it_id desc limit 0, 20

1054 : Unknown column '20desc' in 'order clause'

error file : /shop/list.php