Fatal error: Uncaught Error: Class "Yoast\WP\SEO\Surfaces\Schema_Helpers_Surface" not found in /htdocs/wp-content/plugins/wordpress-seo/src/generated/container.php:5669 Stack trace: #0 /htdocs/wp-content/plugins/wordpress-seo/vendor_prefixed/symfony/dependency-injection/Container.php(271): Yoast\WP\SEO\Generated\Cached_Container->getHelpersSurfaceService() #1 /htdocs/wp-content/plugins/wordpress-seo/lib/abstract-main.php(80): YoastSEO_Vendor\Symfony\Component\DependencyInjection\Container->get('Yoast\\WP\\SEO\\Su...') #2 /htdocs/wp-content/plugins/wordpress-seo/admin/watchers/class-slug-change-watcher.php(20): Yoast\WP\Lib\Abstract_Main->__get('helpers') #3 /htdocs/wp-content/plugins/wordpress-seo/wp-seo-main.php(366): WPSEO_Slug_Change_Watcher->register_hooks() #4 /htdocs/wp-includes/class-wp-hook.php(324): wpseo_init('') #5 /htdocs/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #6 /htdocs/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #7 /htdocs/wp-settings.php(550): do_action('plugins_loaded') #8 /htdocs/wp-config.php(98): require_once('/htdocs/wp-sett...') #9 /htdocs/wp-load.php(50): require_once('/htdocs/wp-conf...') #10 /htdocs/wp-blog-header.php(13): require_once('/htdocs/wp-load...') #11 /htdocs/index.php(17): require('/htdocs/wp-blog...') #12 {main} thrown in /htdocs/wp-content/plugins/wordpress-seo/src/generated/container.php on line 5669