Textutils:166: Cannot Serialize Type Function

local xPos = 1
local yPos = 1
local zPos = 1
local nMoved = 1
local nReturned = 1
local error = 1
local status = 0

function tStatus()
xPos, yPos, zPos = gps.locate(5)
t = {}
t[1] = xPos
t[2] = yPos
t[3] = zPos
t[4] = nMoved
t[5] = nReturned
t[6] = tStatus
print("Position is "..xPos..","..yPos..","..zPos )
sleep(1)
rednet.open("right")
local message = textutils.serialize(t)
rednet.broadcast(msg)
end

function move()
status = 1
repeat
  sleep(0.1)
  error = error+1
  if error == 10 then
   status = 0
  end
until turtle.forward()
nMoved = nMoved+1
tStatus()
end

while true do
for x = 1,5 do
  move()
end
turtle.turnLeft()
turtle.turnLeft()
for x = 1,5 do
  move()
end
end