SELECT COUNT(DISTINCT `wr_parent`) AS `cnt` FROM g5_write_ranking WHERE ca_name = '�Ϲ�û���' and ((INSTR(ca_name, '�Ϲ�û���')) ) and (wr_num between -9628 and (-9628 + 10000))

1267 : Illegal mix of collations (euckr_korean_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation '='

error file : /bbs/board.php