Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DependencyInjection\Extension" not found in /home/kakabapu/public_html/mysticker.kakabapu.com/vendor/friendsofsymfony/user-bundle/FOS/UserBundle/DependencyInjection/FOSUserExtension.php:20 Stack trace: #0 {main} thrown in /home/kakabapu/public_html/mysticker.kakabapu.com/vendor/friendsofsymfony/user-bundle/FOS/UserBundle/DependencyInjection/FOSUserExtension.php on line 20