Erro de contagem de registros: SELECT COUNT(*) FROM conteudo WHERE ( texto like '%Azevedo%' or titulo like '%Azevedo%' or resumo like '%Azevedo%' or texto like '%de%' or titulo like '%de%' or resumo like '%de%' or texto like '%Peixoto%' or titulo like '%Peixoto%' or resumo like '%Peixoto%' or texto like '%aberto%' or titulo like '%aberto%' or resumo like '%aberto%' or texto like '%c�u%' or titulo like '%c�u%' or resumo like '%c�u%' or texto like '%a%' or titulo like '%a%' or resumo like '%a%' or texto like '%Esgoto%' or titulo like '%Esgoto%' or resumo like '%Esgoto%' ) ORDER BY id DESC. Mysql informa: Illegal mix of collations (utf8mb4_unicode_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation 'like'