Fatal error: Uncaught Error: Class "Symfony\Component\HttpClient\Response\MockResponse" not found in /home/zdpktgd/ptc/vendor.old/symfony/http-client/Response/JsonMockResponse.php:16 Stack trace: #0 {main} thrown in /home/zdpktgd/ptc/vendor.old/symfony/http-client/Response/JsonMockResponse.php on line 16