Fatal error: Uncaught Error: Interface 'Symfony\Component\EventDispatcher\EventDispatcherInterface' not found in /www/wwwroot/0.vhai.com/1.vhai.com/feijin_shop/source/vendor/symfony/event-dispatcher/EventDispatcher.php:28 Stack trace: #0 {main} thrown in /www/wwwroot/0.vhai.com/1.vhai.com/feijin_shop/source/vendor/symfony/event-dispatcher/EventDispatcher.php on line 28