SELECT COUNT(DISTINCT `wr_parent`) AS `cnt` FROM g4_write_PDS WHERE ((INSTR(LOWER(wr_subject), LOWER('�뀛1�젅@prmecoin�듃濡좉껐�젣����뻾�븯�뒗怨쿢SDT�솚�쟾�븯�뒗怨논듃濡좉껐�젣����뻾�븯�뒗怨쿢SDT�솚�쟾�븯�뒗怨�'))>0) )
Illegal mix of collations (utf8mb3_general_ci,IMPLICIT) and (euckr_korean_ci,COERCIBLE) for operation 'locate' : 1267