Fatal error: Uncaught Error: Class "Illuminate\Support\Manager" not found in C:\xampp\htdocs\my-app\my-new-app\vendor\laravel\framework\src\Illuminate\Session\SessionManager.php:10 Stack trace: #0 {main} thrown in C:\xampp\htdocs\my-app\my-new-app\vendor\laravel\framework\src\Illuminate\Session\SessionManager.php on line 10