PlayerScripts.Camera:13: attempt to index function with 'Connect'?

local Camera = workspace.CurrentCamera
Camera.CameraType = Enum.CameraType.Scriptable
Camera:GetPropertyChangedSignal("CameraType"):Connect(function()
    Camera.CameraType = Enum.CameraType.Scriptable
end)
local Mouse = game.Players.LocalPlayer
local LastY = 0
local LastX = 0
local DefaultCFrame = workspace.Part.CFrame


game:GetService("RunService").RenderStepped:Connect(function()--Up Barrier
    Mouse.Move:Connect(function()   
    if Mouse.Y <= 21 then
    if Mouse.Y - LastY <= -1 then   
    local MoveVector = Vector3.new(0,-(Mouse.Y*1)/7, 0)
    Camera.CFrame = DefaultCFrame * CFrame.new(DefaultCFrame.p + MoveVector)
    DefaultCFrame = CFrame.new(DefaultCFrame.p + MoveVector)
    LastY = Mouse.Y                  
    else LastY = Mouse.Y
           end
        end
    end)    
end)