Fatal error: Uncaught Error: Class 'Symfony\Component\Templating\Helper\Helper' not found in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\symfony\security-bundle\Templating\Helper\LogoutUrlHelper.php:26 Stack trace: #0 {main} thrown in C:\xampp\htdocs\ApiSigestWin\1.0\vendor\symfony\security-bundle\Templating\Helper\LogoutUrlHelper.php on line 26