Fatal error: Uncaught Error: Class 'Twig_Extension' not found in /var/www/vhosts/kavli-live/vendor/jms/security-extra-bundle/JMS/SecurityExtraBundle/Twig/SecurityExtension.php:8 Stack trace: #0 {main} thrown in /var/www/vhosts/kavli-live/vendor/jms/security-extra-bundle/JMS/SecurityExtraBundle/Twig/SecurityExtension.php on line 8