Fatal error: Uncaught Error: Class 'Sonata\AdminBundle\Datagrid\Pager' not found in /home/lafaamicps/www/symfony/vendor/sonata-project/admin-bundle/Datagrid/SimplePager.php:23 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/sonata-project/admin-bundle/Datagrid/SimplePager.php on line 23