Fatal error: Uncaught Error: Class "Vonage\Client\Exception\Request" not found in /home/grouugah/learning.group-awd.org/vendor/nexmo/client-core/src/Client/Exception/Validation.php:16 Stack trace: #0 {main} thrown in /home/grouugah/learning.group-awd.org/vendor/nexmo/client-core/src/Client/Exception/Validation.php on line 16