Probleme mit meinem Marker hehe HELP ME PLEASE! :)

arrowTable = {}




addEventHandler("onPlayerJoin", getRootElement(), function()
setElementData(source, "duty", 0)
end
)




addCommandHandler("aduty", function(player)
local duty = getElementData(player, "duty")
if duty == 0 then
     arrowTable[player] = createMarker(0, 0, 0, "arrow", 0.50, 255, 0, 0, 175)
     attachElements(arrowTable[player], player, 0, 0, 2)
    outputChatBox("Der#FF0000 Admin#FFFFFF "..getPlayerName(player).."#FFFFFF ist nun#FF0000 onDuty!", getRootElement(), 255, 255, 255, true)
    setElementData(player, "duty", 1)
elseif duty == 1 then
        outputChatBox("Der#FF0000 Admin#FFFFFF "..getPlayerName(player).."#FFFFFF ist nun#FF0000 offDuty!", getRootElement(), 255, 255, 255, true)
        setElementData(player, "duty", 0)
       end
end
)




addEventHandler("onPlayerQuit", root, function()
        if isElement(arrowTable[player]) then
            destroyElement(arrowTable[player])
            arrowTable[player] = nil
      end
end)