Fatal error: Uncaught Error: Class "Nexmo\Client\Response\AbstractResponse" not found in /home/trombino/public_html/africa.trombino.org/vendor_new_3/nexmo/client/src/Client/Response/Response.php:11 Stack trace: #0 {main} thrown in /home/trombino/public_html/africa.trombino.org/vendor_new_3/nexmo/client/src/Client/Response/Response.php on line 11