Fatal error: Uncaught Error: Interface 'Vonage\SMS\Message\Message' not found in C:\xampp\htdocs\kit\vendor\vonage\client-core\src\SMS\Message\OutboundMessage.php:20 Stack trace: #0 {main} thrown in C:\xampp\htdocs\kit\vendor\vonage\client-core\src\SMS\Message\OutboundMessage.php on line 20