Fatal error: Uncaught Error: Interface "GuzzleHttp\Event\SubscriberInterface" not found in C:\xampp\htdocs\shop5\vendor\google\auth\src\Subscriber\SimpleSubscriber.php:30 Stack trace: #0 {main} thrown in C:\xampp\htdocs\shop5\vendor\google\auth\src\Subscriber\SimpleSubscriber.php on line 30