Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DependencyInjection\Extension' not found in /var/www/vhosts/kavli-live/vendor/sensio/framework-extra-bundle/Sensio/Bundle/FrameworkExtraBundle/DependencyInjection/SensioFrameworkExtraExtension.php:25 Stack trace: #0 {main} thrown in /var/www/vhosts/kavli-live/vendor/sensio/framework-extra-bundle/Sensio/Bundle/FrameworkExtraBundle/DependencyInjection/SensioFrameworkExtraExtension.php on line 25