select * from cms_portadas_temporalv2 where friendly_url<>'' and friendly_url='activada-alerta-altas-temperaturas-navarra-13-00-20-59-horas-🌡🌡' - Illegal mix of collations (utf8_general_ci,IMPLICIT) and (utf8mb4_0900_ai_ci,COERCIBLE) for operation '='