Fatal error: Uncaught Error: Class 'Illuminate\Pipeline\Pipeline' not found in D:\xampp\htdocs\api_patient\vendor\laravel\lumen-framework\src\Routing\Pipeline.php:16 Stack trace: #0 {main} thrown in D:\xampp\htdocs\api_patient\vendor\laravel\lumen-framework\src\Routing\Pipeline.php on line 16