select distinct wr_parent from nf_write_qanda where ((INSTR(LOWER(wr_subject), LOWER('tele@KOREATALK77占쏙옙占쏙옙占쌈니삼옙占싣�占쏙옙占쏙옙환占쏙옙占쏙옙占쏙옙占쌈니삼옙占싣�占쏙옙占쏙옙환占쏙옙'))) ) and (wr_num between '-136' and '9864')
1267 : Illegal mix of collations (utf8_general_ci,IMPLICIT) and (euckr_korean_ci,COERCIBLE) for operation 'locate'
error file : /nf_brd/board.php