Control Panel Error

Fatal error: Uncaught exception 'PDOException' with message 'SQLSTATE[28000] [1045] Access denied for user 'root'@'localhost' (using password: YES)' in /var/customers/webs/WEBSPACE/cp/class/pdosingleton.php:24 Stack trace: #0 /var/customers/webs/WEBSPACE/cp/class/pdosingleton.php(24): PDO->__construct('mysql:dbname=DB...', 'root', PASSWORD') #1 /var/customers/webs/WEBSPACE/cp/model/player.php(70): PDOSingleton::connection() #2 /var/customers/webs/WEBSPACE/cp/controller/frontcontroller.php(53): Player::byName('NAME') #3 /var/customers/webs/WEBSPACE/cp/index.php(19): FrontController->execute() #4 {main} thrown in /var/customers/webs/WEBSPACE/cp/class/pdosingleton.php on line 24