broken saveload

      savefile = maps[toload].. ".txt"
      print (savefile)  -- prints fooWorld.txt
      _disk.saveTable( map2process, savefile, system.ResourceDirectory  )

---- here is the loadsave mod

local this = {}
--local json = require("json")
local json = require "json"
local DefaultLocation = system.DocumentsDirectory
local RealDefaultLocation = DefaultLocation
local ValidLocations = {
   [system.DocumentsDirectory] = true,
   [system.ResourceDirectory] = true,
   [system.CachesDirectory] = true,
   [system.TemporaryDirectory] = true
}

function this.saveTable(t, filename, location)
    print ("  STUFF 'SAVED' to DISK ")
    if location and (not ValidLocations[location]) then
     error("Attempted to save a table to an invalid location", 2)
    elseif not location then
      location = DefaultLocation
    end

    local path = system.pathForFile( filename, location)
    local file = io.open(path, "w")
    if file then
        local contents = json.encode(t)
        file:write( contents )
        io.close( file )
        return true
    else
        print ("cant find:" .. t,filename,location)
        return false
    end
end