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('%B8%DE%C0%CE%C0%CC%B9%CC%C1%F6'))) ) and (wr_num between '-391' and '2609')

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

error file : /bbs/board.php