Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DependencyInjection\Extension' not found in /home/lafaamicps/www/symfony/vendor/knplabs/knp-gaufrette-bundle/Knp/Bundle/GaufretteBundle/DependencyInjection/KnpGaufretteExtension.php:18 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/knplabs/knp-gaufrette-bundle/Knp/Bundle/GaufretteBundle/DependencyInjection/KnpGaufretteExtension.php on line 18