Hi, so I'm making a program that draws some buttons and teleports you to specific coordinates when you click on their respective buttons. I'm getting an error of something along the lines of "attempt to compare number with nil" at line 112. I checked the code and there shouldn't be anything wrong. Any help would be appreciated.
teleport.txt
component = require("component")
gpu = component.gpu
term = require("term")
command_block = component.command_block
event = require("event")
local users = {"TheEpicGamer909","Skutten2002"}
local authorized = false
local places = {}
places.station =