Fatal error: Uncaught Error: Class "Symfony\Contracts\EventDispatcher\Event" not found in /home/exklusivbeautysa/public_html/vendor/menatwork/contao-multicolumnwizard-bundle/src/Event/CreateWidgetEvent.php:33 Stack trace: #0 {main} thrown in /home/exklusivbeautysa/public_html/vendor/menatwork/contao-multicolumnwizard-bundle/src/Event/CreateWidgetEvent.php on line 33