Fatal error: Uncaught Error: Class 'SebastianBergmann\Comparator\ObjectComparator' not found in C:\xampp\htdocs\attendance-apix\vendor\sebastian\comparator\src\MockObjectComparator.php:20 Stack trace: #0 {main} thrown in C:\xampp\htdocs\attendance-apix\vendor\sebastian\comparator\src\MockObjectComparator.php on line 20