Fatal error: Uncaught Error: Class 'Symfony\Component\Templating\Helper\Helper' not found in /home/cooplafobq/newplanning/vendor/ornicar/gravatar-bundle/Ornicar/GravatarBundle/Templating/Helper/GravatarHelper.php:15 Stack trace: #0 {main} thrown in /home/cooplafobq/newplanning/vendor/ornicar/gravatar-bundle/Ornicar/GravatarBundle/Templating/Helper/GravatarHelper.php on line 15