Fatal error: Uncaught Error: Call to undefined function render_sidebar() in /var/www/html/public/ranking/ranking_page.php:317 Stack trace: #0 /var/www/html/public/ranking/ranking_page.php(247): render_ranking_html(Array, 11, 1, 160, Array, Array, '', Array, Array, 2012, false, 'point') #1 /var/www/html/public/ranking/special.php(37): render_ranking_page(Object(PDO), Array) #2 {main} thrown in /var/www/html/public/ranking/ranking_page.php on line 317