Fatal error: Uncaught Error: Class "Symfony\Component\Console\Helper\Helper" not found in /home/projetwewv/www/licence00/monapp/vendor/doctrine/orm/lib/Doctrine/ORM/Tools/Console/Helper/EntityManagerHelper.php:15 Stack trace: #0 {main} thrown in /home/projetwewv/www/licence00/monapp/vendor/doctrine/orm/lib/Doctrine/ORM/Tools/Console/Helper/EntityManagerHelper.php on line 15