Fatal error: Uncaught Error: Class 'Illuminate\Http\Client\HttpClientException' not found in D:\xampp\htdocs\psp\backend\vendor\laravel\framework\src\Illuminate\Http\Client\ConnectionException.php:5 Stack trace: #0 {main} thrown in D:\xampp\htdocs\psp\backend\vendor\laravel\framework\src\Illuminate\Http\Client\ConnectionException.php on line 5