Fatal error: Uncaught Error: Class 'Symfony\Component\Form\AbstractExtension' not found in /var/www/legtux.org/users/weboconsulting/www/vendor/symfony/form/Extension/Validator/ValidatorExtension.php:27 Stack trace: #0 {main} thrown in /var/www/legtux.org/users/weboconsulting/www/vendor/symfony/form/Extension/Validator/ValidatorExtension.php on line 27