Fatal error: Uncaught Error: Class "Symfony\Component\Security\Core\Authentication\Token\AbstractToken" not found in I:\www\frameworks\Symfony\doctrine\vendor\symfony\security-core\Authentication\Token\RememberMeToken.php:21 Stack trace: #0 {main} thrown in I:\www\frameworks\Symfony\doctrine\vendor\symfony\security-core\Authentication\Token\RememberMeToken.php on line 21