cannot click on "EDIT" in my indexhibit

Joo / 2015-04-17 14:26:59   

Hi,
I have problem in clicking on the 'EDIT" after create a new section.

Message appeared on top and stated this:
Warning: Creating default object from empty value in......

Warning: Cannot modify header information - headers already sent by (output started at......

Please advice.

Thank you

This thread has been closed, thank you.