Fatal error: Uncaught Error: Class 'Symfony\Component\HttpKernel\DependencyInjection\Extension' not found in /home/aucoeurdgw/dev/src/PrestaShopBundle/DependencyInjection/PrestaShopExtension.php:37 Stack trace: #0 {main} thrown in /home/aucoeurdgw/dev/src/PrestaShopBundle/DependencyInjection/PrestaShopExtension.php on line 37