Fatal error: Uncaught Error: Class "Illuminate\Http\Client\HttpClientException" not found in E:\Ampps\www\CAS\vendor\laravel\framework\src\Illuminate\Http\Client\RequestException.php:5 Stack trace: #0 {main} thrown in E:\Ampps\www\CAS\vendor\laravel\framework\src\Illuminate\Http\Client\RequestException.php on line 5