Fatal error: Uncaught Error: Class "Symfony\Component\Translation\Extractor\Visitor\AbstractVisitor" not found in C:\Servers\htdocs\inventory.fitzalan.co.uk\vendor\symfony\translation\Extractor\Visitor\TranslatableMessageVisitor.php:20 Stack trace: #0 {main} thrown in C:\Servers\htdocs\inventory.fitzalan.co.uk\vendor\symfony\translation\Extractor\Visitor\TranslatableMessageVisitor.php on line 20