Fatal error: Uncaught Error: Class 'Illuminate\Pipeline\Pipeline' not found in G:\projects\beta.api.edutalk.edu.vn\vendor\laravel\lumen-framework\src\Routing\Pipeline.php:16 Stack trace: #0 {main} thrown in G:\projects\beta.api.edutalk.edu.vn\vendor\laravel\lumen-framework\src\Routing\Pipeline.php on line 16