I started a game in dimond-sword I had the arena mutator on crossbow.
when I lunched the game I got This:
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UT2003 Build UT2003_Build_[2003-04-07_17.42]
OS: Windows XP 5.1 (Build: 2600)
CPU: GenuineIntel Unknown processor @ 1500 MHz with 255MB RAM
Video: NVIDIA GeForce2 MX/MX 400 (4403)
Failed to load 'ChaosUT ': Can't find file 'ChaosUT '
History: UObject::SafeLoadError <- UObject::GetPackageLinker <- UGameEngine::BuildServerMasterMap <- ULevel::Listen <- Listen <- UGameEngine::LoadMap <- LocalMapURL <- UGameEngine::Browse <- ClientTravel <- UGameEngine::Tick <- UpdateWorld <- MainLoop
EDIT:
Okey now I know that I cant play CTF with CUT2 mutator!
Another EDIT:
Okey now I cant play UT2003 with CUT2 because I get the same crush all over agin and agin....

It's anyway Unreal.