Fatal error: Uncaught Error: Interface 'Prophecy\Prophecy\RevealerInterface' not found in /mnt/www/fawu/vendor/phpspec/prophecy/src/Prophecy/Prophecy/Revealer.php:19 Stack trace: #0 {main} thrown in /mnt/www/fawu/vendor/phpspec/prophecy/src/Prophecy/Prophecy/Revealer.php on line 19