Fatal error: Uncaught Error: Class 'Symfony\Component\Validator\Mapping\MemberMetadata' not found in /home/devmecseminars/public_html/mec/vendor/symfony/validator/Mapping/GetterMetadata.php:33 Stack trace: #0 {main} thrown in /home/devmecseminars/public_html/mec/vendor/symfony/validator/Mapping/GetterMetadata.php on line 33