Lua teleport script error

[cs007]

Error when climbing stairs

[Error - Action Interface]
data/actions/scripts/other/teleport.lua:onUse
Description:
attempt to index a number value
stack traceback:
        [C]: in function 'doTileQueryAdd'
        data/actions/scripts/other/teleport.lua:13: in function <data/actions/scripts/other/teleport.lua:4>

Script:

local UP_FLOORS = {1386, 3678, 5543, 8599, 10035}
local DRAW_WELL = 1369

function onUse(cid, item, fromPosition, itemEx, toPosition)
    if(item.itemid == DRAW_WELL and item.actionid ~= 100) then
        return false
    end

    fromPosition.stackpos = STACKPOS_GROUND
    if(isInArray(UP_FLOORS, item.itemid)) then
        fromPosition.z = fromPosition.z - 1
        fromPosition.y = fromPosition.y + 1
        if(doTileQueryAdd(cid, fromPosition, 4, false) ~= RETURNVALUE_NOERROR) then
            fromPosition.y = fromPosition.y - 2
        end
    else
        fromPosition.z = fromPosition.z + 1
    end

    if(doTileQueryAdd(cid, fromPosition, 4, false) ~= RETURNVALUE_NOERROR) then
        return false
    end

    local pos, dir = getCreaturePosition(cid), SOUTH
    if(pos.x < fromPosition.x) then
        dir = EAST
    elseif(pos.x == fromPosition.x) then
        if(pos.y == fromPosition.y) then
            dir = getCreatureLookDirection(cid)
        elseif(pos.y > fromPosition.y) then
            dir = NORTH
        end
    elseif(pos.x > fromPosition.x) then
        dir = WEST
    end

    doTeleportThing(cid, fromPosition, false)
    doCreatureSetLookDirection(cid, dir)
    return true
end

 

[cs007]

up

 

[Rodvar1]

Need to help !