Fatal error: Uncaught Error: Interface 'Sonata\AdminBundle\Datagrid\PagerInterface' not found in /home/lafaamicps/www/symfony/vendor/sonata-project/admin-bundle/Datagrid/Pager.php:20 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/sonata-project/admin-bundle/Datagrid/Pager.php on line 20