Fatal error: Uncaught Error: Interface "Symfony\Component\Config\Definition\ConfigurationInterface" not found in /home/aucoeurdgw/dev/src/PrestaShopBundle/DependencyInjection/AddOnsConfiguration.php:33 Stack trace: #0 {main} thrown in /home/aucoeurdgw/dev/src/PrestaShopBundle/DependencyInjection/AddOnsConfiguration.php on line 33