Fatal error: Uncaught Error: Class "SebastianBergmann\Comparator\ObjectComparator" not found in E:\xampp\htdocs\stms\vendor\sebastian\comparator\src\DateTimeComparator.php:24 Stack trace: #0 {main} thrown in E:\xampp\htdocs\stms\vendor\sebastian\comparator\src\DateTimeComparator.php on line 24