Fatal error: Uncaught Error: Interface "Google\Auth\FetchAuthTokenInterface" not found in C:\wamp64\www\wp-content\plugins\elementskit\libs\composer\vendor\google\auth\src\OAuth2.php:36 Stack trace: #0 {main} thrown in C:\wamp64\www\wp-content\plugins\elementskit\libs\composer\vendor\google\auth\src\OAuth2.php on line 36