Fatal error: Uncaught Error: Call to undefined function get_author_posts_url() in /home/monbrace/univers-zen.com/wp-content/plugins/wordpress-seo/frontend/schema/class-schema-article.php:120 Stack trace: #0 /home/monbrace/univers-zen.com/wp-content/plugins/wordpress-seo/frontend/schema/class-schema-article.php(108): WPSEO_Schema_Article->get_author_posts_url('10') #1 /home/monbrace/univers-zen.com/wp-content/plugins/wordpress-seo/frontend/schema/class-schema-article.php(55): WPSEO_Schema_Article->get_author_url(Object(WP_Post)) #2 /home/monbrace/univers-zen.com/wp-content/plugins/wordpress-seo/frontend/schema/class-schema.php(95): WPSEO_Schema_Article->generate() #3 /home/monbrace/univers-zen.com/wp-includes/class-wp-hook.php(286): WPSEO_Schema->generate('') #4 /home/monbrace/univers-zen.com/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters('', Array) #5 /home/monbrace/univers-zen.com/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #6 /home/monbrace/univers-zen.com/wp-content/plugins/wordpress-seo/frontend in /home/monbrace/univers-zen.com/wp-content/plugins/wordpress-seo/frontend/schema/class-schema-article.php on line 120