Fatal error: Uncaught Error: Class "Symfony\Contracts\EventDispatcher\Event" not found in /home/quitpathshareaco/public_html/New/vendor/drupal/core/modules/file/src/Validation/FileValidationEvent.php:12 Stack trace: #0 {main} thrown in /home/quitpathshareaco/public_html/New/vendor/drupal/core/modules/file/src/Validation/FileValidationEvent.php on line 12