SELECT COUNT(DISTINCT `wr_parent`) AS `cnt` FROM g4_write_PDS WHERE ((INSTR(LOWER(wr_subject), LOWER('�뀛�젅@UPCOIN24�떊�슜移대뱶肄붿씤援щℓ肄붿씤�쟾�넚�닔�닔猷뚰빐�쇅�룉�쁽湲덊솕�씠�뜑由ъ��由ы뵆�빐�쇅�룉�쁽湲덊솕�씠�뜑由ъ��由ы뵆'))>0) )
Illegal mix of collations (utf8mb3_general_ci,IMPLICIT) and (euckr_korean_ci,COERCIBLE) for operation 'locate' : 1267