Fatal error: Uncaught Error: Class 'Pix\SortableBehaviorBundle\Services\PositionHandler' not found in /home/lafaamicps/www/symfony/vendor/pixassociates/sortable-behavior-bundle/Pix/SortableBehaviorBundle/Services/PositionODMHandler.php:15 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/pixassociates/sortable-behavior-bundle/Pix/SortableBehaviorBundle/Services/PositionODMHandler.php on line 15