Fatal error: Uncaught Error: Class "SebastianBergmann\Comparator\Comparator" not found in C:\Apache24_x64\htdocs\vak\vendor\sebastian\comparator\src\ResourceComparator.php:17 Stack trace: #0 {main} thrown in C:\Apache24_x64\htdocs\vak\vendor\sebastian\comparator\src\ResourceComparator.php on line 17