select wr_id, wr_subject, wr_option, wr_content, wr_comment, wr_parent, wr_datetime, wr_name, wr_reply, wr_link1, wr_link2, ca_name, wr_hit, wr_good, wr_nogood from g4_write_z9_1 where wr_is_comment = 0 order by B, wr_reply limit 0, 5

1054 : Unknown column 'B' in 'order clause'

error file : /bbs/group.php