Fatal error: Uncaught Error: Class 'Symfony\Component\Console\Helper\Helper' not found in /home/synap/fr/synap/dev/www/7/vendor/doctrine/orm/lib/Doctrine/ORM/Tools/Console/Helper/EntityManagerHelper.php:36 Stack trace: #0 {main} thrown in /home/synap/fr/synap/dev/www/7/vendor/doctrine/orm/lib/Doctrine/ORM/Tools/Console/Helper/EntityManagerHelper.php on line 36