Fatal error: Uncaught Error: Class "Symfony\Component\Validator\Constraint" not found in /home/drupalshareacopy/public_html/drupal/vendor/symfony/validator/Constraints/Date.php:25 Stack trace: #0 {main} thrown in /home/drupalshareacopy/public_html/drupal/vendor/symfony/validator/Constraints/Date.php on line 25