Fatal error: Uncaught Error: Interface "Symfony\Component\EventDispatcher\EventDispatcherInterface" not found in /Users/m4_production_1/Sites/ipt/iptkids/vendor/symfony/event-dispatcher/EventDispatcher.php:32 Stack trace: #0 {main} thrown in /Users/m4_production_1/Sites/ipt/iptkids/vendor/symfony/event-dispatcher/EventDispatcher.php on line 32