For input string

I made a simple program from direwolf20's button api.. Its very similar to his and I don't see why its not working :/.. Every time I try to run it, it says For input string: "1stfloorlights".. Its something I was doing messing around with one of my friends.. Heres the code.. Please help

	
local mon = peripheral.wrap("back")
	
mon.setTextScale(1)
	
mon.setTextColor(colors.white)
	
local button={}
	
mon.setBackgroundColor(colors.black)
	
function setTable(name, func, xmin, xmax, ymin, ymax)
	
   button[name] = {}
	
   button[name]["func"] = func
	
   button[name]["active"] = false
	
   button[name]["xmin"] = xmin
	
   button[name]["ymin"] = ymin
	
   button[name]["xmax"] = xmax
	
   button[name]["ymax"] = ymax
	
end
	
function 1stfloorlights()
	
  print("1st Floor Lights")
	
  rs.setOutput("right",true)
	
end
	
function 2ndFloorLights
	
  print("2nd FloorLights")
	
  rs.setOutput("left",true)
	
end
	
function 2ndLightsOff()
	
  print("2nd Floor Lights Off")
	
  rs.setOutput("left",false)
	
end
	
function 1stLightsOff()
	
  print("1st Floor Lights Off")
	
  rs.setOutput("right",false)
	
end
	
function fillTable()
	
   setTable("1st Floor Lights", 1stfloorlights, 1, 9, 2, 4)
	
   setTable("2nd Floor Lights", 2ndFloorLights, 11, 19, 6, 8)
	
   setTable("1st Floor Lights Off", 1stLightsOff, 20, 22, 9, 10)
	
   setTable("2nd Floor Lights Off",2ndLightsOff, 23, 25, 11, 12)
	
end    
	
function fill(text, color, bData)
	
   mon.setBackgroundColor(color)
	
   local yspot = math.floor((bData["ymin"] + bData["ymax"]) /2)
	
   local xspot = math.floor((bData["xmax"] - bData["xmin"] - string.len(text)) /2) +1
	
   for j = bData["ymin"], bData["ymax"] do
	
      mon.setCursorPos(bData["xmin"], j)
	
      if j == yspot then
	
         for k = 0, bData["xmax"] - bData["xmin"] - string.len(text) +1 do
	
            if k == xspot then
	
               mon.write(text)
	
            else
	
               mon.write(" ")
	
            end
	
         end
	
      else
	
         for i = bData["xmin"], bData["xmax"] do
	
            mon.write(" ")
	
         end
	
      end
	
   end
	
   mon.setBackgroundColor(colors.black)
	
end
	
function screen()
	
   local currColor
	
   for name,data in pairs(button) do
	
      local on = data["active"]
	
      if on == true then currColor = colors.lime else currColor = colors.red end
	
      fill(name, currColor, data)
	
   end
	
end
	
function checkxy(x, y)
	
   for name, data in pairs(button) do
	
      if y>=data["ymin"] and  y <= data["ymax"] then
	
         if x>=data["xmin"] and x<= data["xmax"] then
	
            data["func"]()
	
            data["active"] = not data["active"]
	
            print(name)
	
         end
	
      end
	
   end
	
end
	
function heading(text)
	
   w, h = mon.getSize()
	
   mon.setCursorPos((w-string.len(text))/2+1, 1)
	
   mon.write(text)
	
end
	
fillTable()
	
while true do
	
   mon.clear()
	
   heading("Main Control Panel")
	
   screen()
	
   local e,side,x,y = os.pullEvent("monitor_touch")
	
   print(x..":"..y)
	
   checkxy(x,y)
	
   sleep(.1)
	
end

I fixed your post for you, but for future reference don't use the list format for code. It looks like this.

• while true do
• print("something")
• –this is a bad way to share your code
• end

Now compare that to this:

while true do
  print("Something")
  --this is a good way to share your code
end

To insert code into a post, use the code button in the editor.

Variable names can't start with numbers.