Fatal error: Uncaught Error: Interface 'Doctrine\ORM\Query\TreeWalker' not found in /home/almasai/www/people/_old_site/vendor/doctrine/lib/Doctrine/ORM/Query/SqlWalker.php:40 Stack trace: #0 {main} thrown in /home/almasai/www/people/_old_site/vendor/doctrine/lib/Doctrine/ORM/Query/SqlWalker.php on line 40