Fatal error: Uncaught Error: Class "Doctrine\Common\EventArgs" not found in /users/energydata/www/volkszaehler.org/vendor/doctrine/persistence/src/Persistence/Event/OnClearEventArgs.php:16 Stack trace: #0 {main} thrown in /users/energydata/www/volkszaehler.org/vendor/doctrine/persistence/src/Persistence/Event/OnClearEventArgs.php on line 16