Problem with database!

PDOException: SQLSTATE[28000] [1045] Access denied for user 'u20608_ws'@'46.174.50.5' (using password: YES) in /var/www/u20608/data/www/legion.myarena.site/skins/class/database.php:8
Stack trace:
#0 /var/www/u20608/data/www/legion.myarena.site/skins/class/database.php(8): PDO->__construct('mysql:host=db4....', 'u20608_ws', '9182098355q', Array)
#1 /var/www/u20608/data/www/legion.myarena.site/skins/index.php(7): DataBase->__construct()
#2 {main}