Erro de contagem de registros: SELECT COUNT(*) FROM conteudo WHERE ( texto like '%mundo%' or titulo like '%mundo%' or resumo like '%mundo%' or texto like '%do%' or titulo like '%do%' or resumo like '%do%' or texto like '%homic�dios%' or titulo like '%homic�dios%' or resumo like '%homic�dios%' or texto like '%de%' or titulo like '%de%' or resumo like '%de%' or texto like '%taxa%' or titulo like '%taxa%' or resumo like '%taxa%' or texto like '%Maior%' or titulo like '%Maior%' or resumo like '%Maior%' ) ORDER BY id DESC. Mysql informa: Illegal mix of collations (utf8mb4_unicode_ci,IMPLICIT) and (utf8_general_ci,COERCIBLE) for operation 'like'