Fatal error: Uncaught Error: Class "Vonage\Client\Response\Response" not found in /home/demoweb/public_html/placementship-backend/vendor/nexmo/client-core/src/Message/Response/Collection.php:22 Stack trace: #0 {main} thrown in /home/demoweb/public_html/placementship-backend/vendor/nexmo/client-core/src/Message/Response/Collection.php on line 22