Fatal error: Uncaught Error: Class "GuzzleHttp\Cookie\CookieJar" not found in D:\Apache24\www\qilu\back-end\vendor\guzzlehttp\guzzle\src\Cookie\SessionCookieJar.php:8 Stack trace: #0 {main} thrown in D:\Apache24\www\qilu\back-end\vendor\guzzlehttp\guzzle\src\Cookie\SessionCookieJar.php on line 8