Fatal error: Uncaught Error: Class "Symfony\Component\HttpFoundation\StreamedResponse" not found in /home/standardtelephon/public_html/apps/vendor/symfony/http-foundation/StreamedJsonResponse.php:45 Stack trace: #0 {main} thrown in /home/standardtelephon/public_html/apps/vendor/symfony/http-foundation/StreamedJsonResponse.php on line 45