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