Fatal error: Uncaught Error: Interface 'Symfony\Component\EventDispatcher\EventSubscriberInterface' not found in /var/www/legtux.org/users/weboconsulting/www/vendor/symfony/doctrine-bridge/Form/EventListener/MergeDoctrineCollectionListener.php:28 Stack trace: #0 {main} thrown in /var/www/legtux.org/users/weboconsulting/www/vendor/symfony/doctrine-bridge/Form/EventListener/MergeDoctrineCollectionListener.php on line 28