Fatal error: Uncaught Error: Class 'Symfony\Component\HttpFoundation\StreamedResponse' not found in /home/aucoeurdgw/dev/src/PrestaShopBundle/Component/CsvResponse.php:32 Stack trace: #0 {main} thrown in /home/aucoeurdgw/dev/src/PrestaShopBundle/Component/CsvResponse.php on line 32