Fatal error: Uncaught Error: Class 'Gedmo\Mapping\MappedEventSubscriber' not found in /var/www/vhosts/www.thomas-bartholomaeus.de/content/neoscms/Packages/Libraries/gedmo/doctrine-extensions/src/Tree/TreeListener.php:56 Stack trace: #0 {main} thrown in /var/www/vhosts/www.thomas-bartholomaeus.de/content/neoscms/Packages/Libraries/gedmo/doctrine-extensions/src/Tree/TreeListener.php on line 56