Fatal error: Uncaught Error: Class 'Doctrine\Common\EventArgs' not found in /home/eberhardschwarze/public_html/vendor/doctrine/common/lib/Doctrine/Common/Persistence/Event/LoadClassMetadataEventArgs.php:32 Stack trace: #0 {main} thrown in /home/eberhardschwarze/public_html/vendor/doctrine/common/lib/Doctrine/Common/Persistence/Event/LoadClassMetadataEventArgs.php on line 32