select wr_id, wr_subject from g4_write_B19 where wr_is_comment = 0 and wr_num = '-684' and wr_reply < '' and ((INSTR(LOWER(wr_subject%7C%7Cwr_content), LOWER('sysprep'))) ) order by wr_num desc, wr_reply desc limit 1

1054 : Unknown column '7C' in 'where clause'

error file : /bbs/board.php