Fatal error: Uncaught Error: Interface 'Prophecy\Promise\PromiseInterface' not found in /home/diligence/public_html/diligence-sensing/vendor/phpspec/prophecy/src/Prophecy/Promise/ReturnArgumentPromise.php:23 Stack trace: #0 {main} thrown in /home/diligence/public_html/diligence-sensing/vendor/phpspec/prophecy/src/Prophecy/Promise/ReturnArgumentPromise.php on line 23