Fatal error: Uncaught Error: Class 'Prophecy\Doubler\Doubler' not found in D:\xampp7\htdocs\www\nbkm\show_mu\vendor\phpspec\prophecy\src\Prophecy\Doubler\CachedDoubler.php:22 Stack trace: #0 {main} thrown in D:\xampp7\htdocs\www\nbkm\show_mu\vendor\phpspec\prophecy\src\Prophecy\Doubler\CachedDoubler.php on line 22