Fatal error: Uncaught Error: Class "SebastianBergmann\Comparator\ObjectComparator" not found in C:\Servers\htdocs\inventory.fitzalan.co.uk\vendor\phpspec\prophecy\src\Prophecy\Comparator\ProphecyComparator.php:20 Stack trace: #0 {main} thrown in C:\Servers\htdocs\inventory.fitzalan.co.uk\vendor\phpspec\prophecy\src\Prophecy\Comparator\ProphecyComparator.php on line 20