Fatal error: Uncaught Error: Class "Doctrine\Persistence\Event\LifecycleEventArgs" not found in /users/energydata/www/volkszaehler.org/vendor/doctrine/persistence/src/Persistence/Event/PreUpdateEventArgs.php:17 Stack trace: #0 {main} thrown in /users/energydata/www/volkszaehler.org/vendor/doctrine/persistence/src/Persistence/Event/PreUpdateEventArgs.php on line 17