Error with form

Permalink January 17, 2013 at 2:05 AM

Hi does anyone understand what this could mean?

Warning: Invalid argument supplied for foreach() in /home/wwwbosto/public_html/packages/extended_form/mail/submission_admin.php on line 5
Warning: Cannot modify header information - headers already sent by (output started at /home/wwwbosto/public_html/packages/extended_form/mail/submission_admin.php:5) in /home/wwwbosto/public_html/updates/concrete5.6.0.2/concrete/core/libraries/controller.php on line 368