Fatal error: Uncaught mysqli_sql_exception: No route to host in /var/www/portal/admin/classes/conn.class.php:23
Stack trace:
#0 /var/www/portal/admin/classes/conn.class.php(23): mysqli_connect()
#1 /var/www/portal/admin/classes/unidades.class.php(25): Conn->__construct()
#2 /var/www/portal/app/curso.php(16): Unidades->__construct()
#3 /var/www/portal/url_response.php(20): include('...')
#4 /var/www/portal/main.php(61): url_response()
#5 {main}
thrown in /var/www/portal/admin/classes/conn.class.php on line 23