Fatal error: Uncaught Error: Interface "Psr\EventDispatcher\StoppableEventInterface" not found in /var/www/live/demo5.thesynergate.com/landchase_api/vendor/symfony/event-dispatcher-contracts/Event.php:31 Stack trace: #0 {main} thrown in /var/www/live/demo5.thesynergate.com/landchase_api/vendor/symfony/event-dispatcher-contracts/Event.php on line 31