Fatal error: Uncaught Error: Call to undefined function is_post_publicly_viewable() in /www/wp-includes/media.php:1674 Stack trace: #0 /www/wp-includes/shortcodes.php(364): gallery_shortcode() #1 /www/wp-includes/media.php(3654): do_shortcode_tag() #2 /www/wp-includes/media.php(3693): get_post_galleries() #3 /www/wp-includes/media.php(3735): get_post_gallery() #4 /www/wp-content/plugins/wordpress-seo/frontend/class-twitter.php(92): get_post_gallery_images() #5 /www/wp-content/plugins/wordpress-seo/frontend/class-twitter.php(77): WPSEO_Twitter->determine_card_type() #6 /www/wp-content/plugins/wordpress-seo/frontend/class-twitter.php(54): WPSEO_Twitter->type() #7 /www/wp-content/plugins/wordpress-seo/frontend/class-twitter.php(45): WPSEO_Twitter->twitter() #8 /www/wp-content/plugins/wordpress-seo/frontend/class-twitter.php(629): WPSEO_Twitter->__construct() #9 /www/wp-includes/plugin.php(524): WPSEO_Twitter::get_instance() #10 /www/wp-content/plugins/wordpress-seo/frontend/class-frontend.php(670): do_action() #11 /www/wp-in in /www/wp-includes/media.php on line 1674