Fatal error: Uncaught Error: Interface "Psr\Clock\ClockInterface" not found in C:\Servers\htdocs\inventory.fitzalan.co.uk\vendor\symfony\clock\ClockInterface.php:19 Stack trace: #0 {main} thrown in C:\Servers\htdocs\inventory.fitzalan.co.uk\vendor\symfony\clock\ClockInterface.php on line 19