Fatal error: Uncaught Error: Interface "Doctrine\Persistence\PropertyChangedListener" not found in /home/marcgron/www/SSA/v2/vendor/doctrine/orm/src/UnitOfWork.php:84 Stack trace: #0 {main} thrown in /home/marcgron/www/SSA/v2/vendor/doctrine/orm/src/UnitOfWork.php on line 84