Help with garages

[xXMADEXx]

Im making a script to make garages, but for some reason all the garages are finding the x,y,z of the last created garage. Im not sure how to fix this...

server.lua

---------------------------------------------------- 
-- Author: xXMADEXx 
-- File: server.lua 
-- copywrite 2013 (C) Revolution of Gaming 
---------------------------------------------------- 
  
function createMiliSpawner(player) 
    local x,y,z = getElementPosition(player) 
    local city = getZoneName(x,y,z,true) 
    local zone = getZoneName(x,y,z) 
    if isObjectInACLGroup ( "user." .. getAccountName ( getPlayerAccount ( player ) ), aclGetGroup ( "lvl 6" ) ) then 
        -- loading 
        file = xmlLoadFile("garages.xml", "garages") 
        child = xmlCreateChild(file,"garage") 
        -- City/zone --- 
        xmlNodeSetAttribute(child,"city",city) 
        xmlNodeSetAttribute(child,"zone",zone) 
        --- Marker --- 
        xmlNodeSetAttribute(child,"markerX",x) 
        xmlNodeSetAttribute(child,"markerY",y) 
        xmlNodeSetAttribute(child,"markerZ",z - 1) 
        --- Garage Door --- 
        xmlNodeSetAttribute(child,"garagedoorX",x+3.2) 
        xmlNodeSetAttribute(child,"garagedoorY",y+0.4) 
        xmlNodeSetAttribute(child,"garagedoorZ",z+1) 
        --- Opening Door --- 
        xmlNodeSetAttribute(child,"toX",x+3.2) 
        xmlNodeSetAttribute(child,"toY",y+0.4) 
        xmlNodeSetAttribute(child,"toZ",z+4) 
        --- Save & Exit --- 
        xmlSaveFile(file) 
        xmlUnloadFile(file) 
        marker = createMarker(x,y,z-1,"cylinder",2,255,255,0,100) 
    end 
end 
addCommandHandler("ga",createMiliSpawner) 
  
marker = {} 
garage = {} 
door = {} 
function loadMyMiliMainSPawners () 
    local file = xmlLoadFile ("garages.xml", "garages") 
    for k, v in ipairs ( xmlNodeGetChildren ( file ) ) do 
        -- Marker -- 
        local markerX = xmlNodeGetAttribute(v,"markerX") 
        local markerY = xmlNodeGetAttribute(v,"markerY") 
        local markerZ = xmlNodeGetAttribute(v,"markerZ") 
        marker[k] = createMarker(markerX,markerY,markerZ,"cylinder",2, 255, 255, 0, 100) 
        -- Garage -- 
        garage[k] = createObject(17950,markerX+3.2,markerY+4.7,markerZ+2,0,0,180) 
        -- Garage Door -- 
        doorX = xmlNodeGetAttribute(v,"garagedoorX") 
        doorY = xmlNodeGetAttribute(v,"garagedoorY") 
        doorZ = xmlNodeGetAttribute(v,"garagedoorZ") 
        toX = xmlNodeGetAttribute(v,"toX") 
        toY = xmlNodeGetAttribute(v,"toY") 
        toZ = xmlNodeGetAttribute(v,"toZ") 
        door[k] = createObject(17951,tonumber(doorX),tonumber(doorY),tonumber(doorZ),0,0,90) 
        addEventHandler("onMarkerHit",marker[k], 
            function () 
                if (getElementData(door[k],"status") ~= "open") then 
                    setElementData(door[k],"status","open",true) 
                    moveObject(door[k],2000,toX,toY,toZ) 
                    setTimer( 
                        function () 
                            moveObject(door[k],2000,doorX,doorY,doorZ) 
                            setElementData(door[k],"status","closed",true) 
                        end, 20000, 1 
                    ) 
                else 
                    moveObject(door[k],2000,doorX,doorY,doorZ) 
                    setElementData(door[k],"status","closed",true) 
                end 
            end 
        ) 
    end 
end 
addEventHandler("onResourceStart",root, loadMyMiliMainSPawners) 

Example of the Errors: