Error message

• Notice: Undefined index: field_web_site in include() (line 142 of /var/www/projects/legacy/d7-ondesktop/sites/all/themes/ondesktop/templates/node--portfolio.tpl.php).
• Notice: Undefined index: field_web_site in include() (line 143 of /var/www/projects/legacy/d7-ondesktop/sites/all/themes/ondesktop/templates/node--portfolio.tpl.php).