if stage.value = ... then frame.visible = true/false not working pls help! :) (?)

local plr = game.Players:WaitForChild("LocalPlayer")
local stats = plr:WaitForChild("leaderstats")


if plr.stats.Stage.value == 20 then
	game.StarterGui.ObbySkipStage.Frame.Visible = false
end 

if plr.stats.Stage.value == 0-19 then
	game.StarterGui.ObbySkipStage.Frame.Visible = true 
end

-- tried > and < they don't seem to work for me so i changed to 0-19 because it doesn't say it's wrong (error)...

Basically what i'm trying to do here is to make it so if ur on stage 20 in my obby, which is max u can get to, then u can't see the skip stage button anymore, don't want ppl to get over stage 20 using it + paying for nothing pretty much.

well, the code is fine but the problematic part if 0-19, while in human language that can specify a range, but in computers that means zero minus nineteen or take 19 away from zero which would result in -19, and therefore not raising any errors because it's a valid expression.

also, btw, bind your code to an event, so whenever the value of their stage changes, then a function runs..

to fix this, you could write your code like this

local plr = game.Players:WaitForChild("LocalPlayer")
local stats = plr:WaitForChild("leaderstats")
	
	
plr.stats.Stage.Changed:Connect(function()
	if plr.stats.Stage.value == 20 then
	    game.StarterGui.ObbySkipStage.Frame.Visible = false
	end 
	
	if plr.stats.Stage.value >0 and  plr.stats.Stage.value < 20 then
	    game.StarterGui.ObbySkipStage.Frame.Visible = true
	else
		--if somehow the stage values aren't between 0 and 20
		--put handling code here
	end
end