Fatal error: Uncaught Error: Class 'WPSEO_Customizer' not found in /homepages/30/d808155395/htdocs/www_multi3/wp-content/plugins/wordpress-seo/wp-seo-main.php:356 Stack trace: #0 /homepages/30/d808155395/htdocs/www_multi3/wp-includes/class-wp-hook.php(307): wpseo_init('') #1 /homepages/30/d808155395/htdocs/www_multi3/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array) #2 /homepages/30/d808155395/htdocs/www_multi3/wp-includes/plugin.php(474): WP_Hook->do_action(Array) #3 /homepages/30/d808155395/htdocs/www_multi3/wp-settings.php(450): do_action('plugins_loaded') #4 /homepages/30/d808155395/htdocs/www_multi3/wp-config.php(92): require_once('/homepages/30/d...') #5 /homepages/30/d808155395/htdocs/www_multi3/wp-load.php(50): require_once('/homepages/30/d...') #6 /homepages/30/d808155395/htdocs/www_multi3/wp-blog-header.php(13): require_once('/homepages/30/d...') #7 /homepages/30/d808155395/htdocs/www_multi3/index.php(17): require('/homepages/30/d...') #8 {main} thrown in /homepages/30/d808155395/htdocs/www_multi3/wp-content/plugins/wordpress-seo/wp-seo-main.php on line 356