Arquivo de Notícias

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