Why does TweenSizeAndPosition not work?

For some reason, the if statement works, but then the TweenSizeAndPosition doesn't run, but the Visible Part does. Does anyone know why the TweenSizeAndPosition doesn't run?

Code:

elseif script.Parent.Parent.ResetStage.Visible == true then
		script.Parent.Parent.ResetStage:TweenSizeAndPosition(
			UDim2.new(2.993, 0,0.75, 0),
			UDim2.new(4.568, 0,0.122, 0),
			Enum.EasingDirection.In,
			Enum.EasingStyle.Sine,
			1,
			true
		)
		wait(1)
		script.Parent.Parent.ResetStage.Visible = false
	end

This is the Whole Script:

script.Parent.MouseButton1Click:Connect(function()
	if script.Parent.Parent.StageShop.Visible == true then
		script.Parent.Parent.OpenStageShop.Visible = true
		script.Parent.Parent.CloseStageShop.Visible = false
		script.Parent.Parent.StageShop:TweenSizeAndPosition(
			UDim2.new(0.156, 0,0.035, 0),
			UDim2.new(0.403, 0,0.037, 0),
			"In",
			"Sine",
			1,
			true
		)
		wait(1)
		script.Parent.Parent.StageShop.Visible = false
	elseif script.Parent.Parent.ResetStage.Visible == true then
		script.Parent.Parent.ResetStage:TweenSizeAndPosition(
			UDim2.new(2.993, 0,0.75, 0),
			UDim2.new(4.568, 0,0.122, 0),
			Enum.EasingDirection.In,
			Enum.EasingStyle.Sine,
			1,
			true
		)
		wait(1)
		script.Parent.Parent.ResetStage.Visible = false
	end
	
	script.Parent.Visible = false
	script.Parent.Parent.OpenMenu.Visible = true
	script.Parent.Parent:TweenPosition(
		UDim2.new(-0.095, 0,0.22, 0),
		"In",
		"Sine",
		1,
		true
	)
end)