Forum Problem Upgrade from 3.8.4 p1 to 4.0.2 p1

[محروم.كوم]

I think im in deep problem ! First i cant login after upgraded from 3.8.4 p1 to 4.0.2.p1

All i see On top my forum :

Warning: fetch_template() calls should be replaced by the vB_Template class. Template name: Marquee_Text in [path]/includes/functions.php on line 3932

Parse error: syntax error, unexpected $end in /home/stud/public_html/forum/includes/class_core.php(4010) : eval()'d code on line 391


and Middle here :
vBulletin Message

Unable to add cookies, header already sent.
File: /home/stud/public_html/forum/includes/class_core.php
Line: 4482

I try login but not able ! I really in trouble ?

www.studsextra.com/forum/

Pls help

Lg __DEFINE_LIKE_SHARE__