No disk in drive error while playing online - WTF?

[Thanatosaurus]

While trying to load a map on ut2004://66.55.154.103:7777, received error saying there was no disk in the CD drive.

UT2004 Build UT2004_Build_[2004-11-11_10.48]

OS: Windows NT 6.2 (Build: 9200)
CPU: GenuineIntel PentiumPro-class processor @ 4019 MHz with 2047MB RAM
Video: GeForce GTX 1070/PCIe/SSE2

General protection fault!

History: UObject:rocessEvent <- (AntiTCCConsole DM-Wtf-Dog_Town-M.AntiTCCSecurity.AntiTCCConsole0, Function AntiTCC2009r6.AntiTCCConsole.Initialized) <- UInteraction::_Init <- (AntiTCCSecurity DM-Wtf-Dog_Town-M.AntiTCCSecurity @ Function AntiTCC2009r6.AntiTCCSecurity.O11711O : 0221) <- UObject:rocessEvent <- (AntiTCCSecurity DM-Wtf-Dog_Town-M.AntiTCCSecurity, Function AntiTCC2009r6.AntiTCCSecurity.O11711O) <- RemoteCall <- HandleStream <- UActorChannel::ReceivedBunch <- (Actor AntiTCCSecurity) <- UChannel::ReceivedSequencedBunch <- Direct <- UChannel::ReceivedRawBunch <- DispatchDataToChannel <- BunchData <- UNetConnection::ReceivedPacket <- UNetConnection::ReceivedRawPacket <- UTcpNetDriver::TickDispatch <- UpdatePreNet <- ULevel::Tick <- (NetMode=3) <- TickLevel <- UGameEngine::Tick <- Level DM-Wtf-DogTown <- UpdateWorld <- MainLoop <- FMallocWindows::Free <- FMallocWindows::Realloc <- 676F4C57 0 FArray <- FArray::Realloc <- 0*2 <- FMallocWindows::Free

All other servers load normally; it's just this one that gives me an error message.