Fatal error: Uncaught Error: Interface "Http\Promise\Promise" not found in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\http-client\Response\HttplugPromise.php:24 Stack trace: #0 {main} thrown in C:\xampp\htdocs\retrodex\helpdesk\vendor\symfony\http-client\Response\HttplugPromise.php on line 24