Fatal error: Uncaught mysqli_sql_exception: Connection refused in /var/www/html/system/library/db/mysqli.php:7
Stack trace:
#0 /var/www/html/system/library/db/mysqli.php(7): mysqli->__construct()
#1 /var/www/html/system/library/db.php(31): DB\MySQLi->__construct()
#2 /var/www/html/system/framework.php(80): DB->__construct()
#3 /var/www/html/system/startup.php(104): require_once('...')
#4 /var/www/html/index.php(27): start()
#5 {main}
thrown in /var/www/html/system/library/db/mysqli.php on line 7