Fatal error: Uncaught Error: Class 'Symfony\Component\Templating\Helper\Helper' not found in /home/eberhardschwarze/public_html/vendor/knplabs/knp-menu-bundle/src/Templating/Helper/MenuHelper.php:11
Stack trace:
#0 {main}
thrown in /home/eberhardschwarze/public_html/vendor/knplabs/knp-menu-bundle/src/Templating/Helper/MenuHelper.php on line 11