HELP mybb 1.8.3 to 1.8.4 error on showthread xthreads.php

[Hamster24]

Hi localhosted the update (thanks to zinga for telling always localhost before updating when i was asking about 1.6>>>1.8 update).
so now i am getting error

Quote:fatal error: Declaration of _objcont_3::fetch_array() must be compatible with DB_Base::fetch_array($query, $resulttype = 1) in C:\wamp\www\discuss\inc\plugins\xthreads.php(881) : eval()'d code on line 25

pic http://i.imgur.com/FYVxQsA.png