Fatal error: Uncaught Error: Interface "GuzzleHttp\Promise\PromiseInterface" not found in C:\xampp\htdocs\new\OUTREACH-main (4)\OUTREACH-main\vendor\guzzlehttp\promises\src\FulfilledPromise.php:11 Stack trace: #0 {main} thrown in C:\xampp\htdocs\new\OUTREACH-main (4)\OUTREACH-main\vendor\guzzlehttp\promises\src\FulfilledPromise.php on line 11