Fatal error: Uncaught mysqli_sql_exception: Unknown database 'developer' in C:\XAMPP\htdocs\web\conexion.php:8 Stack trace: #0 C:\XAMPP\htdocs\web\conexion.php(8): mysqli->__construct('localhost', 'root', Object(SensitiveParameterValue), 'developer') #1 {main} thrown in C:\XAMPP\htdocs\web\conexion.php on line 8