Ok, so I'm working on a Mod that allows for placing Map Markers via Hotkey. Works pretty fine, except for the 'remove the marker' part where I want to remove the first placed marker. It will remove exactly one marker but then no more. I can place as much markers as I have though, except with the difference that when removing one marker, the number of available markers lowers to 8 (from default 9). Here's the script, I'm leaving most of the hotkey portion out to unclutter it a bit:

Scriptname MTW_MCMQuestScript extends SKI_ConfigBaseActor Property PlayerREF AutoFormList Property MTW_MarkerFormList AutoObjectReference Property MTW_XmarkerStorage AutoMessage Property MTW_InitMessage AutoInt[] MarkerIndexArrayint ArrayLengthint MarkerCount Event OnConfigInit()    MarkerIndexArray = new int[128]    RegisterForMenu("MapMenu")EndEventEvent OnGameReload()    Parent.OnGameReload()    LockMarker()EndEvent ... Event OnKeyDown(Int aiKeyCode)    If aiKeyCode == KeyMarker  && !Utility.IsInMenuMode()        UnregisterForKey(KeyMarker)        Int iButton = MTW_InitMessage.Show() as Int        If iButton == 0            PlaceMarker()        ElseIf iButton == 1            RemoveMarker()        EndIf        Utility.Wait(0.2)        RegisterForKey(KeyMarker)        EndIfEndEvent Event OnMenuClose(String MenuName)    If MenuName == "MapMenu"        LockMarker()    EndIfEndEventint Function GetFreeMarker()    int zero = 0    ArrayLength = MarkerIndexArray.length    MarkerCount = MTW_MarkerFormList.getSize()    If (MarkerCount < ArrayLength)        ArrayLength = MarkerCount    EndIf    While (zero < ArrayLength && MarkerIndexArray[zero])        zero += 1    EndWhile    If (zero == ArrayLength)        return -1    EndIf    Return zeroEndFunctionFunction RemoveMarker()    int MarkerIndex = MarkerIndexArray[-1] as int    ObjectReference MarkerRef = MTW_MarkerFormList.GetAt(MarkerIndex - 1) as ObjectReference    MarkerRef.Disable()    MarkerRef.MoveTo(MTW_XmarkerStorage)    MarkerIndexArray[MarkerIndex - 1] = 2        EndFunction    Function PlaceMarker()    If PlayerREF.IsInInterior()        Debug.Notification("You can't place markers inside interiors!")                Return    EndIf    int FreeMarkerIndex = GetFreeMarker()    If FreeMarkerIndex == -1        Debug.MessageBox("No more Markers available. Free one up first!")                Return    EndIf    ObjectReference MarkerRef =  MTW_MarkerFormList.GetAt(FreeMarkerIndex) as ObjectReference    MarkerRef.MoveTo(PlayerREF)    MarkerRef.Enable()    MarkerIndexArray[FreeMarkerIndex] = 1    EndFunction            Function LockMarker()    int Zero = 0    ArrayLength = MarkerIndexArray.length    MarkerCount =  MTW_MarkerFormList.GetSize()    If MarkerCount < ArrayLength        ArrayLength = MarkerCount    EndIf    While Zero < ArrayLength        If MarkerIndexArray[Zero] == 2            ObjectReference MarkerRef = MTW_MarkerFormList.GetAt(Zero) as ObjectReference            MarkerRef.MoveTo(PlayerREF)            MarkerIndexArray[Zero] = 0        EndIf        Zero += 1    EndWhile    EndFunctionFunction RestoreValues()    RegisterForKey(KeyMarker)EndFunction

I'm trying to understand the RemoveMarker function, but this seems problematic:

int MarkerIndex = MarkerIndexArray[-1] as int

Is that a typo?