Script helping CFrame

Help and Feedback Scripting Support
1 
game.Players.PlayerAdded:Connect(function(plr)
local RunService = game:GetService("RunService")
RunService.Heartbeat:Connect(function()
plr.Character.HumanoidRootPart.CFrame.Y = game.Workspace.Baseplate.CFrame.Y * CFrame.new(0,20,0)
end)
end)

error: ServerScriptService.Script:4: invalid argument #1 to ‘new’ (Vector3 expected, got number)

2 
local RunService = game:GetService("RunService")

game.Players.PlayerAdded:Connect(function(plr)
	plr.CharacterAdded:Connect(function(char)
  	 RunService.Heartbeat:Connect(function()
	 char.HumanoidRootPart.CFrame = CFrame.new(game.Workspace.Baseplate.CFrame.Y * Vector3.new(0,20,0))
		end)		
	end)
end)