Fatal error: Uncaught Error: Class "Symfony\Component\EventDispatcher\Event" not found in /home/fotonoma/public_html/wallabag/vendor/php-amqplib/rabbitmq-bundle/Event/AbstractAMQPEvent.php:18 Stack trace: #0 {main} thrown in /home/fotonoma/public_html/wallabag/vendor/php-amqplib/rabbitmq-bundle/Event/AbstractAMQPEvent.php on line 18