Fatal error: Uncaught Error: Class "Doctrine\Common\EventArgs" not found in /users/energydata/www/volkszaehler.org/vendor/doctrine/persistence/src/Persistence/Event/ManagerEventArgs.php:13 Stack trace: #0 {main} thrown in /users/energydata/www/volkszaehler.org/vendor/doctrine/persistence/src/Persistence/Event/ManagerEventArgs.php on line 13