Error message

• Strict warning: Only variables should be passed by reference in include() (line 37 of /var/www/sites/idsi/ibn2014/trunk/sites/all/themes/theme_ibn/page.tpl.php).
• Notice: Undefined variable: n_cat in author_view_pub() (line 1645 of /var/www/sites/idsi/ibn2014/trunk/sites/all/modules/author_view/author_view_articole.page.inc).