Fatal error: Uncaught Error: Class "Symfony\Contracts\EventDispatcher\Event" not found in /home/rosengar/www-craft/craft-rosengart/__ex__20260509/_ex_vendor/symfony/mailer/Event/FailedMessageEvent.php:20 Stack trace: #0 {main} thrown in /home/rosengar/www-craft/craft-rosengart/__ex__20260509/_ex_vendor/symfony/mailer/Event/FailedMessageEvent.php on line 20