Fatal error: Uncaught Error: Class 'Symfony\Component\Form\AbstractExtension' not found in /home/almasai/www/people/_old_site/vendor/symfony/src/Symfony/Bridge/Doctrine/Form/DoctrineOrmExtension.php:17 Stack trace: #0 {main} thrown in /home/almasai/www/people/_old_site/vendor/symfony/src/Symfony/Bridge/Doctrine/Form/DoctrineOrmExtension.php on line 17