Fatal error: Uncaught mysqli_sql_exception: Unknown database 'users' in /opt/lampp/htdocs/php/connect.php:7 Stack trace: #0 /opt/lampp/htdocs/php/connect.php(7): mysqli_connect('localhost', 'root', Object(SensitiveParameterValue), 'users') #1 /opt/lampp/htdocs/php/login.php(12): require_once('/opt/lampp/htdo...') #2 {main} thrown in /opt/lampp/htdocs/php/connect.php on line 7