Fatal error: Uncaught Error: Class "Symfony\Bundle\SecurityBundle\DependencyInjection\Security\Factory\AbstractFactory" not found in I:\www\frameworks\Symfony\doctrine\vendor\symfony\security-bundle\DependencyInjection\Security\Factory\JsonLoginFactory.php:25 Stack trace: #0 {main} thrown in I:\www\frameworks\Symfony\doctrine\vendor\symfony\security-bundle\DependencyInjection\Security\Factory\JsonLoginFactory.php on line 25