Fatal error: Uncaught Error: Class 'Magento\Framework\HTTP\PhpEnvironment\Response' not found in /home/esecureh/public_html/magdemo/vendor/magento/framework/Webapi/Response.php:10 Stack trace: #0 {main} thrown in /home/esecureh/public_html/magdemo/vendor/magento/framework/Webapi/Response.php on line 10