Fatal error: Uncaught Error: Class "Prophecy\Exception\Doubler\ClassNotFoundException" not found in /home/devmindz/public_html/fedex_api/php/vendor/phpspec/prophecy/src/Prophecy/Exception/Doubler/InterfaceNotFoundException.php:14 Stack trace: #0 {main} thrown in /home/devmindz/public_html/fedex_api/php/vendor/phpspec/prophecy/src/Prophecy/Exception/Doubler/InterfaceNotFoundException.php on line 14