Fatal error: Uncaught Error: Interface 'Illuminate\Contracts\Pipeline\Pipeline' not found in C:\xampp\htdocs\admin\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php:11 Stack trace: #0 {main} thrown in C:\xampp\htdocs\admin\vendor\laravel\framework\src\Illuminate\Pipeline\Pipeline.php on line 11