Illegal mix of collations (latin2_general_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation '='

select id_page from `zzz_page` where `page_address`='&page=dodatkiwojsko-w-prl-po-ii-wojnie-swiatowej-prace-pomiarowe∂=1' and id_departament='200'