Fatal error: Uncaught Error: Class 'SebastianBergmann\Comparator\ArrayComparator' not found in D:\xampp\htdocs\psp\backend\vendor\sebastian\comparator\src\ObjectComparator.php:21 Stack trace: #0 {main} thrown in D:\xampp\htdocs\psp\backend\vendor\sebastian\comparator\src\ObjectComparator.php on line 21