select wr_id, wr_subject from g4_write_book_5 where wr_is_comment = 0 and wr_num = '-13' and wr_reply < '' and ((INSTR(wr_2, '/')) (INSTR(wr_2, ',')) ) order by wr_num desc, wr_reply desc limit 1

1064 : 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 '(INSTR(wr_2, ',')) ) order by wr_num desc, wr_reply desc limit

error file : /board/bbs/board.php