[solved]Error after loaded to shared server hosting...

[eluser]tuckee[/eluser]
Hi, I got this error when i try to host it live on server.

it is perfectly working fine on local machine.

I have a custom form_helper that i got it from here
http://ellislab.com/forums/viewthread/97081/


i have setup the server and upload everything that is needed. i got this error when loading front page.

Cannot modify header information - headers already sent by (output started at /home/picknsha/public_html/system/application/helpers/MY_form_helper.php:46)

may i know what is going on? can anyone help me? if my question is too brief, need more information i will provide more.

thanks....