I need help! error.

hello guys i have a problem and i need to fix it to play


2014.12.18 1231
os : windows7(32) 6.1 (build: 7601)
cpu : genuineintel intel(r) core(tm) i7-3770 cpu @ 3.40ghz @ 3393 mhz 4095mb ram
video : nvidia geforce gtx 660 (4475)
poscode : ls1(268) 110917:220794:-3671 8/1 [889]

assertion failed: inpos<=size [file:..\..\core\inc\ffilemanagerwindows.h] [line: 186]

ud3drenderdevice::flushresource <- fauxrendertarget::~fauxrendertarget <- appforceexit <- farchivefilereader::seek <- ulinkerload::seek <- trougharray<< <- umeshanimation::serialize <- (meshanimation magic.fmagic_anim) <- loadobject <- (meshanimation magic.fmagic_anim 9998896==9998896/23794105 4775936 5426233) <- ulinkerload:reload <- preloadobjects <- uobject::endload <- uobject::staticloadobject <- (engine.mesh magic.fmagic_m000_f null) <- umeshcomponent::loadmeshcomponent <- umeshcontainer::updatefirstmeshcomponent <- aactor::updatefirstmeshcomponent <- user::updatepawnmeshcontainerbyface <- user::updatepawnmeshcontainer <- user::setpawnresource <- fl2usersetpawnresourcemanager::tick <- ugameengine::tick <- updateworld <- mainloop