"Attempt to connect failed: Passed value is not a function" any help?

whenever i run this script, at line 30 i get this error. 20:03:48.092 - Attempt to connect failed: Passed value is not a function

here is my code:

local Particle1Emitter = script.Parent.ParticleEmitter1Part
local Particle2Emitter = script.Parent.ParticleEmitter2Part
local Particle3Emitter = script.Parent.ParticleEmitter3Part
local Particle4Emitter = script.Parent.ParticleEmitter4Part
local Light = script.Parent.PointLight

local GreenButtonClicker = script.Parent.Parent.PartGreen.ClickDetector
local OnOffBool = true

local function click()
		if OnOffBool == true then
		OnOffBool = false
		print(OnOffBool)
		Particle1Emitter.Enabled = false
		Particle2Emitter.Enabled = false
		Particle3Emitter.Enabled = false
		Particle4Emitter.Enabled = false
		Light.Enabled = false
	elseif OnOffBool == false then
		OnOffBool = true
		print(OnOffBool)
		Particle1Emitter.Enabled = true
		Particle2Emitter.Enabled = true
		Particle3Emitter.Enabled = true
		Particle4Emitter.Enabled = true
		Light.Enabled = true
	end	
end
wait(5)
GreenButtonClicker.MouseClick:Connect(click())

ok so for other peeps, you have to get rid of parenthesis in front of calling click