Error message

• Notice: Undefined variable: term in cassiopeia_theme_preprocess_page() (line 102 of /var/www/vhosts/lhthth.laocaitv.vn/httpdocs/sites/all/themes/cassiopeia_theme/template.php).
• Notice: Trying to get property of non-object in cassiopeia_theme_preprocess_page() (line 102 of /var/www/vhosts/lhthth.laocaitv.vn/httpdocs/sites/all/themes/cassiopeia_theme/template.php).