Fatal error: Could not check compatibility between Doctrine\Tests\Models\CMS\CmsGroup::getIterator(): Doctrine\Common\Collections\Collection and IteratorAggregate::getIterator(): Traversable, because class Doctrine\Common\Collections\Collection is not available in /home/pataplou/www/patrick/pataplouf/vendor/doctrine/orm/tests/Doctrine/Tests/Models/CMS/CmsGroup.php on line 72