[Help] unresolved external symbol

[manhun1222]

Final Build Log:(only error line)
Creating command line "link.exe @f:\WarZ\bin\src\EclipseStudio\Final\RSP00000F26243604.rsp /NOLOGO /ERRORREPORT:PROMPT"
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Output Window
</font></table><table width=* cellspacing=0 cellpadding=0><tr><td width=0 bgcolor=#EDEDF5>&nbsp;</td><td width=0 bgcolor=#FFFFFF>&nbsp;</td><td width=*><pre>Linking...
Creating library F:\WarZ\bin\src\EclipseStudio\\..\..\bin\WarZ.lib and object F:\WarZ\bin\src\EclipseStudio\\..\..\bin\WarZ.exp
r3dlibf.lib(r3dRender.obj) : error LNK2001: unresolved external symbol "unsigned long __cdecl DriverUpdater(struct HWND__ *,unsigned long,unsigned long,unsigned long,unsigned long,unsigned long,unsigned long)" (?DriverUpdater@@YAKPAUHWND__@@KKKKKK@Z)
F:\WarZ\bin\src\EclipseStudio\\..\..\bin\WarZ.exe : fatal error LNK1120: 1 unresolved externals
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Results
</font></table><table width=* cellspacing=0 cellpadding=0><tr><td width=0 bgcolor=#EDEDF5>&nbsp;</td><td width=0 bgcolor=#FFFFFF>&nbsp;</td><td width=*><pre>Build log was saved at "file://f:\WarZ\bin\src\EclipseStudio\Final\BuildLog.htm"
Eclipse Studio - 2 error(s), 0 warning(s)
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[MentaL]