Fatal error: Uncaught Error: Class 'Doctrine\ORM\Query\ResultSetMapping' not found in /var/www/vhosts/www.thomas-bartholomaeus.de/content/neoscms/Packages/Libraries/doctrine/orm/src/Query/ResultSetMappingBuilder.php:27 Stack trace: #0 {main} thrown in /var/www/vhosts/www.thomas-bartholomaeus.de/content/neoscms/Packages/Libraries/doctrine/orm/src/Query/ResultSetMappingBuilder.php on line 27