Fatal error: Uncaught mysqli_sql_exception: Host 'localhost' is not allowed to connect to this MariaDB server in C:\webserver\www\247-supermarket.de\config.php:52 Stack trace: #0 C:\webserver\www\247-supermarket.de\config.php(52): mysqli_connect('localhost', 'root', 'Dce1988b#mysql', '247_kassensyste...') #1 C:\webserver\www\247-supermarket.de\index.php(6): include('C:\\webserver\\ww...') #2 {main} thrown in C:\webserver\www\247-supermarket.de\config.php on line 52