How do i make this work with FE?? i need BIG BOI HELP

wait(4)
local Player = script.Parent.Parent.Parent
local Items = game.ReplicatedStorage.Karts
local Platform = game.ReplicatedStorage.Platform
local FirstItem = game.ReplicatedStorage.Karts.Kart
local Camera = workspace.CurrentCamera
local sample = script.Parent.ScrollingFrame.Sample:Clone()
local Item = nil
local spawns = workspace.Spawns:GetChildren()
game.Players.LocalPlayer.Character.Humanoid.WalkSpeed = 0
--game.StarterGui:SetCoreGuiEnabled(Enum.CoreGuiType.Chat, false)
--game.StarterGui:SetCoreGuiEnabled(Enum.CoreGuiType.Backpack, false)
game.StarterGui:SetCoreGuiEnabled(Enum.CoreGuiType.PlayerList, false)
game:GetService("StarterGui"):SetCore("TopbarEnabled", false)
script.Parent.Parent.LeaderBoard.Enabled = false
script.Parent.Parent.Menu.Enabled = false

if not Camera:FindFirstChild("Platform") then
    local Cloned = Platform:Clone()
    Cloned.Parent = Camera
end

if not Camera:FindFirstChild("PrevItem") then
    local Cloned = FirstItem:Clone()
    Cloned.Parent = Camera
    Cloned:MakeJoints()
    Item = FirstItem
    Cloned:SetPrimaryPartCFrame(Camera:FindFirstChild("Platform").TheCFrame.CFrame+Vector3.new(0,2,0))
    Cloned.Name = "PrevItem"
end

Camera.CameraType = Enum.CameraType.Scriptable
Camera.CFrame = Camera:FindFirstChild("Platform").CameraCFrame.CFrame

for i,v in pairs(script.Parent.ScrollingFrame:GetChildren()) do
    if v.Name ~= "Sample" then
        v:Destroy()
    end
end

wait(1)
script.Parent.ScrollingFrame:TweenPosition(UDim2.new(0,50,0,50))
script.Parent.Play:TweenPosition(UDim2.new(0.428,0,.9,0))

for i,v in pairs(Items:GetChildren()) do
    local a = sample:Clone()
    a.Parent = script.Parent.ScrollingFrame
    a.Position = UDim2.new(0,0,0,25*(i-1))
    a.Name = v.Name
    a.Text = v.Name
    a.Visible = true
    script.Parent.ScrollingFrame.CanvasSize = UDim2.new(0,0,0,(25*i))
end

local choosecan = false
for i,v in pairs(script.Parent.ScrollingFrame:GetChildren()) do
    v.MouseButton1Click:connect(function()
        if Camera:FindFirstChild("PrevItem") then
            if choosecan == true then return end
            choosecan = true            
            Camera.PrevItem:Destroy()
            local realitem = game.ReplicatedStorage.Karts:FindFirstChild(v.Name)
            if realitem then
                local Cloned = realitem:Clone()
                Cloned.Parent = Camera
                Cloned:MakeJoints()
                Cloned:SetPrimaryPartCFrame(Camera:FindFirstChild("Platform").TheCFrame.CFrame+Vector3.new(0,0,0))
                Cloned.Name = "PrevItem"
                Item = realitem
            end
            choosecan = false
        end
    end)
end
local playcan = false
script.Parent.Play.MouseButton1Click:connect(function()
    if playcan == true then return end
    if Item ~= nil then
        playcan = true
        script.Parent.Blackanimate.BackgroundTransparency = 1
        for i = 1,10 do
            script.Parent.Blackanimate.BackgroundTransparency = script.Parent.Blackanimate.BackgroundTransparency -.1
            wait()
        end
        local Cloned = Item:Clone()
        Cloned.Parent = Camera
        Cloned:MakeJoints()
        local random = spawns[math.random(1,#spawns)]
        Cloned:SetPrimaryPartCFrame(random.CFrame +Vector3.new(0,2,0))
        Camera.PrevItem:Destroy()
        Cloned.Parent = workspace.SpawnedGoKarts
        Cloned.Name = (Player).Name.."'s GoKart"
        script.Parent.ScrollingFrame.Visible = false
        script.Parent.Play.Visible = false
        game.Players.LocalPlayer.Character.Humanoid.WalkSpeed = 10
        game.Players.LocalPlayer.Character.HumanoidRootPart.CFrame = Cloned.PrimaryPart.CFrame+Vector3.new(0,10,0)
        Camera.CameraSubject = game.Players.LocalPlayer.Character.Humanoid
        Camera.CameraType = Enum.CameraType.Custom
        script.Parent.Parent.LeaderBoard.Enabled = true
        script.Parent.Parent.Menu.Enabled = true
        script.Parent.Blackanimate.BackgroundTransparency = 0
        game.StarterGui:SetCoreGuiEnabled(Enum.CoreGuiType.Chat, true)
        game.StarterGui:SetCoreGuiEnabled(Enum.CoreGuiType.PlayerList, true)
        for i = 1,10 do
            script.Parent.Blackanimate.BackgroundTransparency = script.Parent.Blackanimate.BackgroundTransparency +.1
            wait()
        end
        playcan = false
    end
end)