Couldn't connect to MySQL database. Check your database details in settings.php

Error:

PDOException: SQLSTATE[HY000] [2002] Connection refused in /home/smf1337/public_html/pudziansfgame/settings.php:69 Stack trace: #0 /home/smf1337/public_html/pudziansfgame/settings.php(69): PDO->__construct('mysql:host=pudz...', 'smf1337_pudzian...', 'vs30vhtx8l48um5...') #1 /home/smf1337/public_html/pudziansfgame/req.php(5): include('/home/smf1337/p...') #2 {main}