Error message

• Warning: Missing argument 1 for ybctheme_forum_topic_list_sort_form(), called in /home/taytsh5/public_html/taytsh.org/sites/all/themes/ybctheme/templates/forum/advanced-forum-topic-list-outer-view.tpl.php on line 85 and defined in ybctheme_forum_topic_list_sort_form() (line 77 of /home/taytsh5/public_html/taytsh.org/sites/all/themes/ybctheme/template.php).
• Strict warning: Only variables should be passed by reference in include() (line 85 of /home/taytsh5/public_html/taytsh.org/sites/all/themes/ybctheme/templates/forum/advanced-forum-topic-list-outer-view.tpl.php).