Fatal error: Uncaught Error: Class 'Mailgun\Api\HttpApi' not found in C:\Apache24\htdocs\afnic\vendor\mailgun\src\Api\Suppression\Complaint.php:27 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\afnic\vendor\mailgun\src\Api\Suppression\Complaint.php on line 27