Fatal error: Uncaught mysqli_sql_exception: Access denied for user 'dein_benutzer'@'localhost' (using password: YES) in /var/www/html/testdb.php:10 Stack trace: #0 /var/www/html/testdb.php(10): mysqli->__construct() #1 {main} thrown in /var/www/html/testdb.php on line 10