select distinct wr_parent from g4_write_cart_01 where ca_name = '桌上型精密電表' and (wr_num between '-6' and '94') order by wr_num, wr_reply limit 0, 4

3065 : Expression #1 of ORDER BY clause is not in SELECT list, references column 'mkcome_show.g4_write_cart_01.wr_num' which is not in SELECT list; this is incompatible with DISTINCT

error file : /show/bbs/board.php