Fatal error: Uncaught Error: Class 'WPSEO_Schema' not found in D:\home\site\wwwroot\wp-content\plugins\wordpress-seo\frontend\class-frontend.php:142 Stack trace: #0 D:\home\site\wwwroot\wp-content\plugins\wordpress-seo\frontend\class-frontend.php(197): WPSEO_Frontend->__construct() #1 D:\home\site\wwwroot\wp-content\plugins\wordpress-seo\inc\wpseo-functions.php(19): WPSEO_Frontend::get_instance() #2 D:\home\site\wwwroot\wp-includes\class-wp-hook.php(286): initialize_wpseo_front('') #3 D:\home\site\wwwroot\wp-includes\class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #4 D:\home\site\wwwroot\wp-includes\plugin.php(453): WP_Hook->do_action(Array) #5 D:\home\site\wwwroot\wp-settings.php(467): do_action('init') #6 D:\home\site\wwwroot\wp-config.php(90): require_once('D:\\home\\site\\ww...') #7 D:\home\site\wwwroot\wp-load.php(37): require_once('D:\\home\\site\\ww...') #8 D:\home\site\wwwroot\wp-blog-header.php(13): require_once('D:\\home\\site\\ww...') #9 D:\home\site\wwwroot\index.php(17): require('D:\\home\\site\\w in D:\home\site\wwwroot\wp-content\plugins\wordpress-seo\frontend\class-frontend.php on line 142