Fatal error: Uncaught Error: Interface "Symfony\Component\Console\Descriptor\DescriptorInterface" not found in C:\Servers\htdocs\inventory.fitzalan.co.uk\vendor\symfony\console\Descriptor\Descriptor.php:27 Stack trace: #0 {main} thrown in C:\Servers\htdocs\inventory.fitzalan.co.uk\vendor\symfony\console\Descriptor\Descriptor.php on line 27