Help With Damage Script?

local debounce = true
function ot(part)
	local humanoid = part.Parent:FindFirstChild()
	if humanoid ~= nil then
		if game.Players:GetPlayerFromCharacter(humanoid.Parent).TeamColor == BrickColor.new("Bright blue") then
			if debounce == true then
			humanoid:TakeDamage(50)
			debounce = false
			end
		end
	end
end

script.Parent.Touched:connect(ot)

This script is supposed to have someone take 50 damage when they touch this, only if they're on the Bright blue team. It doesn't work. Some help?

You forgot to place Humanoid on lines 03 in the FindFirstChild method.

local humanoid = part.Parent:FindFirstChild("Humanoid")