Fatal error: Uncaught Error: Class 'Sonata\SeoBundle\Block\Social\BaseTwitterButtonBlockService' not found in /home/lafaamicps/www/symfony/vendor/sonata-project/seo-bundle/Block/Social/TwitterHashtagButtonBlockService.php:25 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/sonata-project/seo-bundle/Block/Social/TwitterHashtagButtonBlockService.php on line 25