Fatal error: Uncaught Error: Class "Symfony\Component\EventDispatcher\Event" not found in /var/www/html/demo.ininli.ca/releases/18/vendor/liip/imagine-bundle/Events/CacheResolveEvent.php:24 Stack trace: #0 {main} thrown in /var/www/html/demo.ininli.ca/releases/18/vendor/liip/imagine-bundle/Events/CacheResolveEvent.php on line 24