resolvido o problema era as pos (x,y,z) das cities q estevam erradas

edit -------------------------------------------------------

galera da uma ajuda aqui no meu script na hora de volta do pvp ele ta dando esse erro

[30/01/2014 18:10:32] [Error - MoveEvents Interface] 
[30/01/2014 18:10:32] data/movements/scripts/PVP/Trade_Back.lua:onStepIn
[30/01/2014 18:10:32] Description: 
[30/01/2014 18:10:32] data/lib/011-string.lua:29: attempt to index local 'str' (a number value)
[30/01/2014 18:10:32] stack traceback:
[30/01/2014 18:10:32] 	data/lib/011-string.lua:29: in function 'explode'
[30/01/2014 18:10:32] 	data/movements/scripts/PVP/Trade_Back.lua:13: in function <data/movements/scripts/PVP/Trade_Back.lua:3>

segue abaixo o lib

string.split = function (str)
	local t = {}
	return not str:gsub("%w+", function(s) table.insert(t, s) return "" end):find("%S") and t or {}
end

string.trim = function (str)
	return str:gsub("^%s*(.-)%s*$", "%1")
end

string.explode = function (str, sep, limit)
	if(type(sep) ~= 'string' or isInArray({tostring(str):len(), sep:len()}, 0)) then
		return {}
	end

	local i, pos, tmp, t = 0, 1, "", {}
	for s, e in function() return string.find(str, sep, pos) end do
		tmp = str:sub(pos, s - 1):trim()
		if tmp ~= "" then               --alterado v1.8
		   table.insert(t, tmp)
        end
		pos = e + 1

		i = i + 1
		if(limit ~= nil and i == limit) then
			break
		end
	end

	tmp = str:sub(pos):trim()
	if tmp ~= "" then              --alterado v1.8
       table.insert(t, tmp)
    end
	return t
end

string.expand = function (str)
	return string.gsub(str, "$(%w+)", function(n) return _G[n] end)
end

string.timediff = function (diff)
	local format = {
		{"week", diff / 60 / 60 / 24 / 7},
		{"day", diff / 60 / 60 / 24 % 7},
		{"hour", diff / 60 / 60 % 24},
		{"minute", diff / 60 % 60},
		{"second", diff % 60}
	}

	local t = {}
	for k, v in ipairs(format) do
		local d, tmp = math.floor(v[2]), ""
		if(d > 0) then
			tmp = (k < table.maxn(format) and (table.maxn(t) > 0 and ", " or "") or " and ") .. d .. " " .. v[1] .. (d ~= 1 and "s" or "")
			table.insert(t, tmp)
		end
	end

	return table.concat(t)
end

e aqui o TRADE_BACK

local tileClans = {33800, 33801, 33802, 33803, 33804, 33805, 33806, 33807, 33808}
               --   psy    ore    win    nat    sea   gard   male    rai   volc
function onStepIn(cid, item, pos)
if isSummon(cid) then
return false
end
--
local storage = 171877
if isInArray(tileClans, item.actionid) then
   storage = 171878
end
--
local b = string.explode(getPlayerStorageValue(cid, storage), "/")
local t = string.explode(b[1], ";")   --alterado v1.8
--
if #getCreatureSummons(cid) >= 1 then
   for i = 1, #getCreatureSummons(cid) do
       doTeleportThing(getCreatureSummons(cid)[i], {x=tonumber(t[1]) - 1, y=tonumber(t[2]), z=tonumber(t[3])}, false)
   end
end 
doTeleportThing(cid, {x=tonumber(t[1]), y=tonumber(t[2]), z=tonumber(t[3])}, false)
setPlayerStorageValue(cid, storage, -1)
return true
end

Obrigado por denunciar e explicar o erro.