[ELWFOUR] FOURmation - Game crashes when challenging another player to a game

[tuday2]

Module Information

• Identifier: ELWFOUR
• Module Name: FOURmation
• Version: 2.00

Describe the bug Game crashes when entering a game against an opponent

To Reproduce Steps to reproduce the behavior:

1. Enter module
2. Challenge a player to a game (option 1)

Expected behavior Ability to play FOURmation game

Screenshots

Unhandled exception. System.ArgumentOutOfRangeException: Specified argument was out of the range of valid values. (Parameter 'Unknown Exported Function Ordinal in MAJORBBS: 449')
   at MBBSEmu.HostProcess.ExportedModules.Majorbbs.Invoke(UInt16 ordinal, Boolean offsetsOnly)
   at MBBSEmu.HostProcess.ExecutionUnits.ExecutionUnit.ExternalFunctionDelegate(UInt16 ordinal, UInt16 functionOrdinal)
   at MBBSEmu.CPU.CpuCore.Tick()
   at MBBSEmu.HostProcess.ExecutionUnits.ExecutionUnit.Execute(IntPtr16 entryPoint, UInt16 channelNumber, Boolean simulateCallFar, Boolean bypassState, Queue`1 initialStackValues, UInt16 initialStackPointer)
   at MBBSEmu.Module.MbbsModule.Execute(IntPtr16 entryPoint, UInt16 channelNumber, Boolean simulateCallFar, Boolean bypassSetState, Queue`1 initialStackValues, UInt16 initialStackPointer)
   at MBBSEmu.HostProcess.MbbsHost.WorkerThread()
   at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
--- End of stack trace from previous location where exception was thrown ---
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading.ThreadHelper.ThreadStart()

Software Information:

• OS: Windows 2019 Server Standard
• Telnet Client: NetRunner

[enusbaum]

MAJORBBS.449 is ONSYS -- int ison=onsys(char *usrid);

Determines if the given user/screen name is online or not. Returns 1 if the user is online