select SQL_CALC_FOUND_ROWS distinct wr_parent from g4_write_g5_guide where ca_name = '스크린리더' order by wr_num, wr_reply limit 0, 20
3065 : Expression #1 of ORDER BY clause is not in SELECT list, references column 'sir.g4_write_g5_guide.wr_num' which is not in SELECT list; this is incompatible with DISTINCT
error file : /15sir/bbs/board.php