query < select a.member_no, a.num, a.subject, a.filename, a.filename2, a.filename3, a.filename4, a.writer, a.hit, a.security, DATE_FORMAT(a.reg_dtm, '%Y/%m/%d') writeday, b.title ctg_title,reply_depth, a.reg_dtm, count(c.cmt_id) cmt_cnt
from board a left outer join board_category b on a.brd_id = b.brd_id and a.ctg_id = b.ctg_id left outer join board_comment c on a.num = c.num
where a.brd_id = 'update' and reply_group =
group by a.member_no, a.num, a.subject, a.filename, a.filename2, a.filename3, a.filename4, a.writer, a.hit, a.security, writeday, ctg_title ,reply_depth , a.reg_dtm
ORDER BY reply_group DESC,reply_order
limit 0, 15 > error (count : 6 ) : You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'group by a.member_no, a.num, a.subject, a.filename, a.filename2, a.filename3, a.' at line 4
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