select distinct wr_parent from g5_write_notice where 1 and ca_name = '강남 외 서울' and ca_sub_name = '을지/명동/충무/서울역/회현' and (wr_num between -8 and (-8 + 10000)) order by wr_num, wr_reply limit 0, 50
1054 : Unknown column 'ca_sub_name' in 'where clause'
error file : /bbs/board.php