Fatal error: Uncaught Error: Call to undefined function Symfony\Contracts\Service\trigger_deprecation() in C:\Servers\htdocs\inventory.fitzalan.co.uk\vendor\symfony\service-contracts\ServiceSubscriberTrait.php:18 Stack trace: #0 {main} thrown in C:\Servers\htdocs\inventory.fitzalan.co.uk\vendor\symfony\service-contracts\ServiceSubscriberTrait.php on line 18