Fatal error: Uncaught Error: Class 'Symfony\Component\Templating\Helper\Helper' not found in /home/itscm/dev.its.cm/apps/vendor/symfony/framework-bundle/Templating/Helper/FormHelper.php:24 Stack trace: #0 {main} thrown in /home/itscm/dev.its.cm/apps/vendor/symfony/framework-bundle/Templating/Helper/FormHelper.php on line 24