Fatal error: Uncaught mysqli_sql_exception: Unknown database 'tiktik' in C:\xampp\htdocs\RivalApp\tiktok\DatabaseConfig.php:18 Stack trace: #0 C:\xampp\htdocs\RivalApp\tiktok\DatabaseConfig.php(18): mysqli->__construct('localhost', 'root', Object(SensitiveParameterValue), 'tiktik') #1 C:\xampp\htdocs\RivalApp\tiktok\home.php(5): include('C:\\xampp\\htdocs...') #2 {main} thrown in C:\xampp\htdocs\RivalApp\tiktok\DatabaseConfig.php on line 18