Fatal error: Uncaught Error: Class 'Symfony\Component\EventDispatcher\Event' not found in /home/tbadigital/eventos/vendor/friendsofsymfony/user-bundle/Event/FormEvent.php:19
Stack trace:
#0 {main}
thrown in /home/tbadigital/eventos/vendor/friendsofsymfony/user-bundle/Event/FormEvent.php on line 19