Fatal error: Uncaught Error: Class 'Doctrine\Common\EventArgs' not found in /home/bucereo/my_project_name/vendor/doctrine/orm/lib/Doctrine/ORM/Event/OnClearEventArgs.php:33 Stack trace: #0 {main} thrown in /home/bucereo/my_project_name/vendor/doctrine/orm/lib/Doctrine/ORM/Event/OnClearEventArgs.php on line 33