Fatal error: Uncaught Error: Class 'SebastianBergmann\Comparator\ObjectComparator' not found in E:\xampp\htdocs\api.sis\vendor\phpspec\prophecy\src\Prophecy\Comparator\ProphecyComparator.php:17 Stack trace: #0 {main} thrown in E:\xampp\htdocs\api.sis\vendor\phpspec\prophecy\src\Prophecy\Comparator\ProphecyComparator.php on line 17