Fatal error: Uncaught Error: Class "App\MessageQueue\AbstractQueueManager" not found in /var/www/html/sitefelicien/azuracast/backend/src/MessageQueue/QueueManager.php:13 Stack trace: #0 {main} thrown in /var/www/html/sitefelicien/azuracast/backend/src/MessageQueue/QueueManager.php on line 13