Fatal error: Uncaught Error: Interface "GuzzleHttp\Event\SubscriberInterface" not found in C:\wamp64\www\wp-content\plugins\elementskit\libs\composer\vendor\google\auth\src\Subscriber\AuthTokenSubscriber.php:37 Stack trace: #0 {main} thrown in C:\wamp64\www\wp-content\plugins\elementskit\libs\composer\vendor\google\auth\src\Subscriber\AuthTokenSubscriber.php on line 37