Fatal error: Uncaught Error: Class "Doctrine\ORM\Query\TreeWalkerAdapter" not found in /var/www/html/festival/vendor/doctrine/orm/src/Tools/Pagination/LimitSubqueryWalker.php:24 Stack trace: #0 {main} thrown in /var/www/html/festival/vendor/doctrine/orm/src/Tools/Pagination/LimitSubqueryWalker.php on line 24