SELECT COUNT(DISTINCT `wr_parent`) AS `cnt` FROM g5_write_rank_month WHERE ca_name = '���ڽ��κ�' and ((INSTR(ca_name, '���ڽ��κ�')) ) 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