Fatal error: Uncaught Error: Class "Vonage\Message\Message" not found in /home/demoweb/public_html/placementship-backend/vendor/nexmo/client-core/src/Message/Wap.php:21 Stack trace: #0 {main} thrown in /home/demoweb/public_html/placementship-backend/vendor/nexmo/client-core/src/Message/Wap.php on line 21