Fatal error: Uncaught Error: Class 'Google\Site_Kit\Core\Modules\Module' not found in C:\xampp\htdocs\wp-content\plugins\google-site-kit\includes\Modules\Sign_In_With_Google.php:55 Stack trace: #0 {main} thrown in C:\xampp\htdocs\wp-content\plugins\google-site-kit\includes\Modules\Sign_In_With_Google.php on line 55