Fatal error: Uncaught Error: Class 'Symfony\Component\Templating\Helper\Helper' not found in /home/interweavesoluti/desktop.interweavesolutions.org/vendor/jms/serializer-bundle/Templating/SerializerHelper.php:15 Stack trace: #0 {main} thrown in /home/interweavesoluti/desktop.interweavesolutions.org/vendor/jms/serializer-bundle/Templating/SerializerHelper.php on line 15