Fatal error: Uncaught Error: Class 'SebastianBergmann\Comparator\ObjectComparator' not found in D:\xampp\htdocs\New folder\pengadaan-barang\vendor\phpspec\prophecy\src\Prophecy\Comparator\ProphecyComparator.php:20 Stack trace: #0 {main} thrown in D:\xampp\htdocs\New folder\pengadaan-barang\vendor\phpspec\prophecy\src\Prophecy\Comparator\ProphecyComparator.php on line 20