Fatal error: Uncaught Error: Class 'Symfony\Component\EventDispatcher\Event' not found in /home/eberhardschwarze/public_html/vendor/contao-community-alliance/events-contao-bindings/src/Events/ContaoApiEvent.php:30 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/contao-community-alliance/events-contao-bindings/src/Events/ContaoApiEvent.php on line 30