Computer Craft Error

term.clear()
term.setCursorPos(1,1)

Key = Load
write("Welcome To Terra-DoorLock v0.2")
write("Type Load To Start Keypad GUI")
write("Key: ")
start()
load()

	function start()

		term.clear()
		term.setCursorPos(1,1)
		write("Please Input The Peripheral Moniter's Network ID")
		ID = read()
		mon = peripheral.wrap(ID)
		monload()

	end

	function load()
		k = read()
			if k == (Key) then
			start()

			else
			term.clear()
			term.setCursorPos(1,1)
			write("Type Load")
			write("Key: ")
			load()

			end
	end

	function loaded()

		term.clear()
		term.setCursorPos(1,1)
		write("Loaded")
		textutils.slowPrint("Going To Default OS")
		sleep(2)
		term.clear()
		term.setCursorPos(1,1)

	end

	function monload()
		term.clear()
		term.setCursorPos()
		textutils.slowPrint("Loading . . .")
		mon.setBackgroundColor(colors.black)
		mon.setTextColor(colors.white)
		mon.clear()
		mon.setCursorPos(1,1)
		mon.write("1  2  3")
		mon.setCursorPos(1,2)
		mon.write("4  5  6")
		mon.setCursorPos(1,3)
		mon.write("7  8  9")
		mon.setCursorPos(1,5)
		mon.setTextColor(colors.red)
		mon.write("CLR")
		loaded()
	end

event, side, x, y = os.pullEvent("monitor_touch")

	function clear()
	 	term.setCursorPos(4,5)
		term.clearLine
	end --Line 73

while true do
	function code()

	numpos = mon.setCursorPos(1,4)
	event, side, x, y = os.pullEvent("monitor_touch")
	num()
	nompos = mon.setCursorPos(2,4)
	event, side, x, y = os.pullEvent("monitor_touch")
	num()
	nompos = mon.setCursorPos(3,4)
	event, side, x, y = os.pullEvent("monitor_touch")
	num()
	nompos = mon.setCursorPos(4,4)
	event, side, x, y = os.pullEvent("monitor_touch")
	num()

	end

		function num()