Fatal error: Uncaught Error: Class 'Mailgun\Model\Suppression\BaseResponse' not found in C:\Apache24\htdocs\afnic\vendor\mailgun\src\Model\Suppression\Unsubscribe\DeleteResponse.php:19 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\afnic\vendor\mailgun\src\Model\Suppression\Unsubscribe\DeleteResponse.php on line 19