프리사자모

select SQL_CALC_FOUND_ROWS distinct wr_parent from g4_write_so_freesaja where (( mb_id = 'cclass' ) ) and wr_is_comment = '0' order by wr_num, wr_reply limit 0, 30

3065 : Expression #1 of ORDER BY clause is not in SELECT list, references column 'sir.g4_write_so_freesaja.wr_num' which is not in SELECT list; this is incompatible with DISTINCT

error file : /15sir/bbs/board.php