Look this erro im multiplayer:
Look My ini:
[Engine.GameEngine]
CacheSizeMegs=100
UseSound=True
;ServerActors=IpServer.UdpServerUplink MasterServerAddress=master.mplayer.com MasterServerPort=27900
;ServerActors=UWeb.WebServer
ServerPackages=NexgenX111
ServerPackages=NexgenCC
ServerPackages=Nexgen111
ServerPackages=IpToCountry_AOL
ServerPackages=CountryFlags2
ServerPackages=2k4Combos
ServerPackages=SoldierSkins
ServerPackages=CommandoSkins
ServerPackages=FCommandoSkins
ServerPackages=SGirlSkins
ServerPackages=BossSkins
ServerPackages=Botpack
ServerPackages=De
ServerPackages=RocketArena
ServerPackages=RocketArenaMedia
ServerPackages=RocketArenaMultiMesh
ServerPackages=SkeletalChars
ServerPackages=MultiMesh
ServerPackages=Relics
ServerPackages=EpicCustomModels
ServerPackages=TCowMeshSkins
ServerPackages=TNaliMeshSkins
ServerPackages=MapvoteLA13
ServerPackages=Brasil_voice_v1
ServerPackages=ZeroPingPlus103
ServerPackages=SiegeXtremeLiteRC2
ServerPackages=sgMedia
ServerPackages=sgMedia2
;ServerPackages=SmartCTF_4E
ServerPackages=NPLoader_v16b
ServerPackages=NPLoaderLLU_v16b
ServerPackages=NPLoaderLLD_v16b
ServerPackages=NPLoaderLLS_v16b
ServerPackages=ACEv08h_Cdll
ServerPackages=IACEv08c
ServerPackages=ACEv08h_C
ServerPackages=BTPPUser
ServerPackages=BTPlusPlusv098_C
ServerActors=ipToCountry.LinkActor
ServerActors=BTPlusPlus.BTPlusPlus
;ServerActors=SmartCTF_4E.SmartCTFServerActor
ServerActors=NPLoader_v16b.NPLActor
ServerActors=IpDrv.UdpBeacon
ServerActors=IpServer.UdpServerQuery
ServerActors=IpServer.UdpServerUplink MasterServerAddress=unreal.epicgames.com MasterServerPort=27900
ServerActors=IpServer.UdpServerUplink MasterServerAddress=master0.gamespy.com MasterServerPort=27900
ServerActors=MonsterAnnouncer.MA_ServerActor
ServerActors=2k4Combos.CombosSA
ServerActors=Nexgen111.NexgenActor
ServerActors=NexgenX111.NexgenX
ServerActors=ACEv08h_S.ACEActor
ServerActors=ACEv08h_EH.ACEEventActor