Fatal error: Uncaught Error: Class 'Symfony\Bundle\SecurityBundle\DependencyInjection\Security\Factory\AbstractFactory' not found in C:\xampp\htdocs\plugins\Symfony\Bundle\SecurityBundle\DependencyInjection\Security\Factory\FormLoginFactory.php:26 Stack trace: #0 {main} thrown in C:\xampp\htdocs\plugins\Symfony\Bundle\SecurityBundle\DependencyInjection\Security\Factory\FormLoginFactory.php on line 26