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