Fatal error: Uncaught Error: Class "Symfony\Contracts\EventDispatcher\Event" not found in /home/exklusivbeautysa/public_html/vendor/contao-bootstrap/core/src/Message/Command/InitializeEnvironment.php:10 Stack trace: #0 {main} thrown in /home/exklusivbeautysa/public_html/vendor/contao-bootstrap/core/src/Message/Command/InitializeEnvironment.php on line 10