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Fatal error: Uncaught Error: Call to undefined function wp_is_serving_rest_request() in /home/xmg/public_html/wp-content/plugins/wordpress-seo/src/integrations/front-end-integration.php:551 Stack trace: #0 /home/xmg/public_html/wp-content/plugins/wordpress-seo/src/integrations/front-end-integration.php(461): Yoast\WP\SEO\Integrations\Front_End_Integration->maybe_remove_title_presenter(Array) #1 /home/xmg/public_html/wp-content/plugins/wordpress-seo/src/integrations/front-end-integration.php(417): Yoast\WP\SEO\Integrations\Front_End_Integration->get_needed_presenters('Post_Type') #2 /home/xmg/public_html/wp-content/plugins/wordpress-seo/src/integrations/front-end-integration.php(379): Yoast\WP\SEO\Integrations\Front_End_Integration->get_presenters('Post_Type', Object(Yoast\WP\SEO\Context\Meta_Tags_Context)) #3 /home/xmg/public_html/wp-includes/class-wp-hook.php(308): Yoast\WP\SEO\Integrations\Front_End_Integration->present_head('') #4 /home/xmg/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters('', Arra in /home/xmg/public_html/wp-content/plugins/wordpress-seo/src/integrations/front-end-integration.php on line 551