Fatal error: Uncaught Error: Class 'Symfony\Component\Validator\Exception\UnexpectedTypeException' not found in /home/devmecseminars/public_html/mec/vendor/symfony/validator/Exception/UnexpectedValueException.php:17 Stack trace: #0 {main} thrown in /home/devmecseminars/public_html/mec/vendor/symfony/validator/Exception/UnexpectedValueException.php on line 17