Error message

• Notice: Undefined index: und in include() (line 940 of /home/haipro/public_html/sites/all/themes/haip/templates/system/node--committee_chairs.tpl.php).
• Notice: Undefined index: und in include() (line 946 of /home/haipro/public_html/sites/all/themes/haip/templates/system/node--committee_chairs.tpl.php).
• Notice: Trying to get property 'title' of non-object in include() (line 946 of /home/haipro/public_html/sites/all/themes/haip/templates/system/node--committee_chairs.tpl.php).