Fatal error: Uncaught Error: Class 'Doctrine\Common\Collections\AbstractLazyCollection' not found in /home/lafaamicps/www/symfony/vendor/doctrine/collections/tests/Doctrine/Tests/LazyArrayCollection.php:11 Stack trace: #0 {main} thrown in /home/lafaamicps/www/symfony/vendor/doctrine/collections/tests/Doctrine/Tests/LazyArrayCollection.php on line 11