select distinct wr_parent from g4_write_design1 where ((INSTR(LOWER(wr_subject%7C%7Cwr_content%7C%7Cwr_1%7C%7Cwr_4%7C%7Cwr_3), LOWER('%C7%C8%BD%BA%B8%DE%B4%BA'))) ) and (wr_num between '-279' and '2721')

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

error file : /bbs/board.php