Illegal mix of collations (utf8_general_ci,IMPLICIT) and (utf8mb4_general_ci,COERCIBLE) for operation '='<br>select sonclass,classid,classpagekey,intro,classimg,cgroupid,islist,classtempid,listdt,bdinfoid,repagenum,islast,infos,addsql,fclast from ***_enewsclass where classpath='tags_УÐÅ.html'