Database Fatal Error

Warning: mysqli_connect(): (HY000/1045): Access denied for user 'italiaemergenza'@'localhost' (using password: YES) in /var/www/vhosts/italiaemergenza.dnsmarconet.com/httpdocs/lib/class_db.php on line 79

Warning: mysqli_error() expects parameter 1 to be mysqli, bool given in /var/www/vhosts/italiaemergenza.dnsmarconet.com/httpdocs/lib/class_db.php on line 465

Warning: mysqli_errno() expects parameter 1 to be mysqli, bool given in /var/www/vhosts/italiaemergenza.dnsmarconet.com/httpdocs/lib/class_db.php on line 466
Database Fatal Error

Database connection error!