Fatal error: Uncaught Error: Class 'Doctrine\ORM\Exception\PersisterException' not found in /var/www/vhosts/www.thomas-bartholomaeus.de/content/neoscms/Packages/Libraries/doctrine/orm/src/Persisters/MatchingAssociationFieldRequiresObject.php:11 Stack trace: #0 {main} thrown in /var/www/vhosts/www.thomas-bartholomaeus.de/content/neoscms/Packages/Libraries/doctrine/orm/src/Persisters/MatchingAssociationFieldRequiresObject.php on line 11