SELECT COUNT(DISTINCT `wr_parent`) AS `cnt` FROM g4_write_PDS WHERE ((INSTR(LOWER(wr_subject), LOWER('�뀛�젅@UPCOIN24肄붿씤怨꾩쥖�씠泥닿뎄�엯trc20援щℓ湲덉���룉�쁽湲덊솕trc20援щℓ湲덉���룉�쁽湲덊솕'))>0) )
Illegal mix of collations (utf8mb3_general_ci,IMPLICIT) and (euckr_korean_ci,COERCIBLE) for operation 'locate' : 1267