Fatal error: Uncaught Error: Call to undefined function is_active_sidebar() in /home/smcl52/public_html/santamargherita/wp-content/themes/twentytwelve/sidebar.php:13 Stack trace: #0 {main} thrown in /home/smcl52/public_html/santamargherita/wp-content/themes/twentytwelve/sidebar.php on line 13