Fatal error: Uncaught Error: Class 'Doctrine\ORM\Mapping\UnderscoreNamingStrategy' not found in /home/aucoeurdgw/dev/src/PrestaShopBundle/Service/Database/DoctrineNamingStrategy.php:34 Stack trace: #0 {main} thrown in /home/aucoeurdgw/dev/src/PrestaShopBundle/Service/Database/DoctrineNamingStrategy.php on line 34