select wr_id, wr_subject from g5_write_notice where wr_is_comment = 0 and wr_num = '-23' and wr_reply < '' and ca_name = 'LnId' and ((INSTR(LOWER(wr_subject), LOWER('ARtZ')) or INSTR(LOWER(CHR90), LOWER('ARtZ')) or INSTR(LOWER(CHR78), LOWER('ARtZ')) or INSTR(LOWER(CHR102), LOWER('ARtZ'))) ) and wr_is_comment = '0' order by wr_num desc, wr_reply desc limit 1

1054 : Unknown column 'CHR90' in 'where clause'

error file : /bbs/board.php