Session

[eluser]FnTm[/eluser]
Hi guys. Im starting to get very frustrated with this code. Im kinda newbie to this whole php stuff, but im trying to learn something. So here goes.

I keep getting

Code:

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at C:\AppServ\www\codeigniter\system\application\controllers\skolas.php:2)

Filename: libraries/Db_session.php

Line Number: 248
A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at C:\AppServ\www\codeigniter\system\application\controllers\skolas.php:2)

Filename: helpers/url_helper.php

Line Number: 455

kinda error. What could be the problem? And how do I fix it?