Fatal error: Uncaught Error: Interface "Infobip\Model\ModelInterface" not found in C:\xampp\htdocs\demo_old\vendor\infobip\infobip-api-php-client\Infobip\Model\WhatsAppOrganization.php:41 Stack trace: #0 {main} thrown in C:\xampp\htdocs\demo_old\vendor\infobip\infobip-api-php-client\Infobip\Model\WhatsAppOrganization.php on line 41