Fatal error: Uncaught TypeError: mysqli_set_charset(): Argument #1 ($mysql) must be of type mysqli, bool given in /opt/bitnami/apache/htdocs/db.php:11 Stack trace: #0 /opt/bitnami/apache/htdocs/db.php(11): mysqli_set_charset() #1 /opt/bitnami/apache/htdocs/empresas/anuncio_completo.php(55): db_connect() #2 {main} thrown in /opt/bitnami/apache/htdocs/db.php on line 11