Fatal error: Uncaught Error: Interface 'Prophecy\Promise\PromiseInterface' not found in /home/devgrafix/public_html/roomadmin/vendor/phpspec/prophecy/src/Prophecy/Promise/CallbackPromise.php:25 Stack trace: #0 {main} thrown in /home/devgrafix/public_html/roomadmin/vendor/phpspec/prophecy/src/Prophecy/Promise/CallbackPromise.php on line 25