Fatal error: Uncaught Error: Class "Drupal\Component\EventDispatcher\Event" not found in /home/quitpathshareaco/public_html/New/vendor/drupal/core/lib/Drupal/Core/Render/PageDisplayVariantSelectionEvent.php:22 Stack trace: #0 {main} thrown in /home/quitpathshareaco/public_html/New/vendor/drupal/core/lib/Drupal/Core/Render/PageDisplayVariantSelectionEvent.php on line 22