Fatal error: Uncaught Error: Class "Symfony\Contracts\EventDispatcher\Event" not found in /home/fnbrshareacopy/public_html/modules/contrib/panels/src/PanelsVariantEvent.php:11 Stack trace: #0 {main} thrown in /home/fnbrshareacopy/public_html/modules/contrib/panels/src/PanelsVariantEvent.php on line 11