Fatal error: Uncaught Error: Class 'Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand' not found in /home/lafaamicps/www/symfony/vendor/sonata-project/seo-bundle/Command/SitemapGeneratorCommand.php:31 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/sonata-project/seo-bundle/Command/SitemapGeneratorCommand.php on line 31