Fatal error: Uncaught Error: Interface "App\Module\Campaigns\Service\Email\Queue\EmailQueueManagerInterface" not found in /var/www/crm_killing_ninja/core/modules/Campaigns/Service/Email/Queue/DefaultEmailQueueManager.php:36 Stack trace: #0 {main} thrown in /var/www/crm_killing_ninja/core/modules/Campaigns/Service/Email/Queue/DefaultEmailQueueManager.php on line 36