Fatal error: Uncaught mysqli_sql_exception: Access denied for user 'root'@'localhost' in /var/www/html/Disputatio/Main/retrieve.php:42 Stack trace: #0 /var/www/html/Disputatio/Main/retrieve.php(42): mysqli->__construct() #1 {main} thrown in /var/www/html/Disputatio/Main/retrieve.php on line 42