Fatal error: Uncaught Error: Interface "App\Schedulers\Service\SchedulerInterface" not found in /var/www/crm_killing_ninja/core/backend/Schedulers/Service/Scheduler/Jobs/AddEmailToQueueScheduler.php:33 Stack trace: #0 {main} thrown in /var/www/crm_killing_ninja/core/backend/Schedulers/Service/Scheduler/Jobs/AddEmailToQueueScheduler.php on line 33