Fatal error: Uncaught Error: Class "Symfony\Component\EventDispatcher\Event" not found in /home/gingerbrup/rappelapi/vendor/friendsofsymfony/oauth-server-bundle/Event/OAuthEvent.php:18 Stack trace: #0 {main} thrown in /home/gingerbrup/rappelapi/vendor/friendsofsymfony/oauth-server-bundle/Event/OAuthEvent.php on line 18