Fatal error: Uncaught Error: Call to undefined function twentythirteen_the_attached_image() in /var/www/wordpress/standard/blog.diakon.org/wp-content/themes/diakon/image.php:57 Stack trace: #0 /var/www/wordpress/standard/blog.diakon.org/wp-includes/template-loader.php(74): include() #1 /var/www/wordpress/standard/blog.diakon.org/wp-blog-header.php(19): require_once('/var/www/wordpr...') #2 /var/www/wordpress/standard/blog.diakon.org/index.php(17): require('/var/www/wordpr...') #3 {main} thrown in /var/www/wordpress/standard/blog.diakon.org/wp-content/themes/diakon/image.php on line 57