Fatal error: Uncaught Error: Interface "Prophecy\Doubler\ClassPatch\ClassPatchInterface" not found in /var/www/html/usophy/vendor/phpspec/prophecy/src/Prophecy/Doubler/ClassPatch/HhvmExceptionPatch.php:21 Stack trace: #0 {main} thrown in /var/www/html/usophy/vendor/phpspec/prophecy/src/Prophecy/Doubler/ClassPatch/HhvmExceptionPatch.php on line 21