select B.wr_id,B.wr_1,B.wr_2,B.node_id,C.name_hidden,count(B.wr_id) as wr_6 from g4_write_house as B,nc_club as C where B.wr_is_comment = 0 and B.node_id=C.cb_id and (C.name_hidden<>'hidden' or (C.name_hidden='hidden' and C.cb_ag_master_n<>'' )) and wr_ad='Y' group by B.wr_2 order by B.wr_num, B.wr_reply limit 0, 15

1054 : Unknown column 'B.node_id' in 'field list'

error file : /board/bbs/board.php