Fatal error: Uncaught Error: Interface "Prophecy\Promise\PromiseInterface" not found in /home/alkhalaffamily/public_html/coupons/vendor/phpspec/prophecy/src/Prophecy/Promise/ReturnPromise.php:22 Stack trace: #0 {main} thrown in /home/alkhalaffamily/public_html/coupons/vendor/phpspec/prophecy/src/Prophecy/Promise/ReturnPromise.php on line 22