Fatal error: Uncaught Error: Interface "Symfony\Component\Scheduler\Trigger\TriggerInterface" not found in /home/daysdej/prep-oli-in/vendor/symfony/scheduler/Trigger/CallbackTrigger.php:17 Stack trace: #0 {main} thrown in /home/daysdej/prep-oli-in/vendor/symfony/scheduler/Trigger/CallbackTrigger.php on line 17