Warning: strpos() [function.strpos]:

[SiDeWaYz]

On top:
Everytime a registered user posts it says this.
Warning: strpos() [function.strpos]: Empty delimiter. in /newthread.php(135) : eval()'d code on line 11
on the bottom:
Unable to add cookies, header already sent.
File: /home/oscrew/public_html/forums/includes/class_core.php
Line: 3036
Can anybody help me?

[Dismounted]

This is caused by a malfunctioning plugin. Please post in the modification thread and await the author's response.

[SiDeWaYz]

how do find out wat plugin though?

[Dismounted]

A plugin located at 'newthread_post_start'. Find the one that has 'strpos' located in it.