This won't run for some reason

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#21 
local RS = game:GetService("ReplicatedStorage")
local player = game:GetService("Players").LocalPlayer
if (player.Character == nil) then player.CharacterAdded:Wait() end

local char = player.Character

local module = require(RS.oxygen)

local maxOxygen = module.maxOxygen
local oxygen = module.oxygen

while true do
	task.wait()
	oxygen -= 1
	script.Parent.Text = (oxygen .. "%")
	print(oxygen)
	if oxygen < 1 then
		player:Kick()
		break
	end
end