Fatal error: Uncaught Error: Class "Symfony\Bundle\SecurityBundle\Security\FirewallContext" not found in I:\www\frameworks\Symfony\doctrine\vendor\symfony\security-bundle\Security\LazyFirewallContext.php:26 Stack trace: #0 {main} thrown in I:\www\frameworks\Symfony\doctrine\vendor\symfony\security-bundle\Security\LazyFirewallContext.php on line 26