Fatal error: Uncaught Error: Class "SebastianBergmann\Comparator\ArrayComparator" not found in C:\Servers\htdocs\inventory.fitzalan.co.uk\vendor\sebastian\comparator\src\ObjectComparator.php:19 Stack trace: #0 {main} thrown in C:\Servers\htdocs\inventory.fitzalan.co.uk\vendor\sebastian\comparator\src\ObjectComparator.php on line 19