Debug Exception

PDOException: SQLSTATE[HY000] [1698] Access denied for user 'root'@'localhost'

File: /www/htdocs/w01f494c/test.sait.munnich.it/src/core/Classes/Database.php Line: 24

#0 /www/htdocs/w01f494c/test.sait.munnich.it/src/core/Classes/Database.php(30): Database->__construct()

#1 /www/htdocs/w01f494c/test.sait.munnich.it/src/core/Classes/Model.php(121): Database::getInstance()

#2 /www/htdocs/w01f494c/test.sait.munnich.it/src/app/boot.inc.php(79): Model->get()

#3 /www/htdocs/w01f494c/test.sait.munnich.it/src/app/boot.inc.php(89): getUsersImages()

#4 /www/htdocs/w01f494c/test.sait.munnich.it/index.php(4): include('/www/htdocs/w01...')

#5 {main}