Error: Module code did not return exactly one value

`local Meshes = script.Meshes

local RunService = game:GetService(“RunService”)
local TweenService = game:GetService(“TweenService”)
local Debris = game:GetService(“Debris”)

local SpinModule = {}

function SpinModule.rotate(Folder,Humrp)
local Sphere1 = Meshes.Sphere1:Clone()
Sphere1.CFrame = Humrp.CFrame * CFrame.new(0,-3.25,0)
Sphere1.Size = Vector3.new(1,1,1)
Sphere1.Parent = Folder

local Sphere2 = Meshes.Sphere2:Clone()
Sphere2.CFrame = Sphere1.CFrame
Sphere2.Size = Vector3.new(1.5,1.5,1.5)
Sphere2.Parent = Folder

local Cel = Meshes.CelShade:Clone()
Cel.CFrame = Sphere1.CFrame
Cel.Size = Vector3.new(1.25,1.25,1.25)
Cel.Parent = Folder

local Spikes = Meshes.Spikes:Clone()
Spikes.CFrame = Sphere1.CFrame
Spikes.Size = Vector3.new(1,1,1)
Spikes.Parent = Folder

TweenService:Create(Sphere1,TweenInfo.new(.25),{Size = Vector3.new(15,15,15)}):Play()
TweenService:Create(Sphere2,TweenInfo.new(.25),{Size = Vector3.new(15.5,15.5,15.5)}):Play()
TweenService:Create(Cel,TweenInfo.new(.25),{Size = Vector3.new(16,16,16)}):Play()
TweenService:Create(Spikes,TweenInfo.new(.25),{Size = Vector3.new(25,2,24), CFrame = Spikes.CFrame * CFrame.new(0,0.95,0)}):Play()

delay(2, function()
	for _, obj in pairs(Folder:GetChildren()) do
		if obj.Name ~= "Rock" then
			TweenService:Create(obj,TweenInfo.new(1),{Transparency = 1}):Play()
		end
	end
end)

local connection

connection = RunService.Heartbeat:Connect(function()
	Sphere2.CFrame = Sphere2.CFrame*CFrame.Angles(0,math.rad(15),0)
end)

delay(3, function() -- how long the move runs for
	if connection then
		connection:Disconnect()
		end
end)

function SpinModule.Rock(Folder,Humrp)
local cfr = Humrp.CFrame*CFrame.new(0,-3.25,0)
local angle = 0

for i=1, 15 do -- make sure the second number is a multiple of 360
	local size = math.random(2,4)
	local Rock = Meshes.Rock:Clone()
	Rock.Size = Vector3.new(size,size,size)
	Rock.CFrame = cfr*CFrame.fromEulerAnglesXYZ(0,math.rad(angle),0)*CFrame.new(0,-size,-10)
	Rock.Orientation = Vector3.new(math.random(-180,180),math.random(-180,180),math.random(-180,180))
	Rock.Parent = Folder
	
	TweenService:Create(Rock,TweenInfo.new(.5),{Position = Rock.Position + Vector3.new(0,size,0)}):Play()
	delay(8, function()
		TweenService:Create(Rock,TweenInfo.new(.5),{Transparency = 1, Position = Rock.Position + Vector3.new(0,size,0)}):Play()
	end)
	
  	angle += 24
end

end

return SpinModule

end`

I dont know why it looks that way but its in order

Hard to tell with the formatting, but why is there an ‘end’ at the last line? Maybe try moving your ‘return SpinModule’ to after the last end

I just needed to organize my code better and add a few end lines