Fatal error: Uncaught Error: Interface "Psr\EventDispatcher\EventDispatcherInterface" not found in /home/ashraf.helioho.st/waken.helioho.st/user/plugins/email/vendor/symfony/event-dispatcher-contracts/EventDispatcherInterface.php:19 Stack trace: #0 {main} thrown in /home/ashraf.helioho.st/waken.helioho.st/user/plugins/email/vendor/symfony/event-dispatcher-contracts/EventDispatcherInterface.php on line 19