Anti teleport script

local players = game:GetService('Players')
local lplr = players.LocalPlayer
local lastCF, stop, heartbeatConnection
local function start()
    heartbeatConnection = game:GetService('RunService').Heartbeat:Connect(function()
        if stop then
            return 
        end 
        lastCF = lplr.Character:FindFirstChildOfClass('Humanoid').RootPart.CFrame
    end)
    lplr.Character:FindFirstChildOfClass('Humanoid').RootPart:GetPropertyChangedSignal('CFrame'):Connect(function()
        stop = true
        lplr.Character:FindFirstChildOfClass('Humanoid').RootPart.CFrame = lastCF
        game:GetService('RunService').Heartbeat:Wait()
        stop = false
    )    
    lplr.Character:().Died:(()
        heartbeatConnection:()
    )


lplr.CharacterAdded:((character)
     
        :().Heartbeat:() 
     character:()
     
        :().Heartbeat:() 
     character:().RootPart
    ()
)

lplr.CharacterRemoving:(()
    heartbeatConnection:()
)

()