Fatal error: Uncaught mysqli_sql_exception: Access denied for user 'root'@'localhost' in /var/www/mqs/includes/mysql_server.php:23
Stack trace:
#0 /var/www/mqs/includes/mysql_server.php(23): mysqli->real_connect()
#1 /var/www/mqs/includes/mysql_server.php(295): MySqlServer->__construct()
#2 /var/www/mqs/includes/config.php(26): require_once('...')
#3 /var/www/mqs/index.php(17): require_once('...')
#4 {main}
thrown in /var/www/mqs/includes/mysql_server.php on line 23