help me pls

Game.Players.PlayerAdded:connect(function(newPlayer)
    newPlayer:WaitForDataReady()
    weps = Instance.new("Model", newPlayer)
    weps.Name = "Weapons"
    for k, v in pairs(Game.Lighting.Weapons:GetChildren()) do
        weapon = Instance.new("DoubleConstrainedValue", weps)
        weapon.Name = v.Name
        weapon.Value = tonumber(newPlayer:LoadString(tostring(v.Name) .. "EXPNew"))
        weapon.MaxValue = 450
    end
end)

Game.Players.PlayerRemoving:connect(function(oldPlayer)
    oldPlayer:WaitForDataReady()
    oldPlayer:SaveNumber("SP", oldPlayer.SP.Value)
    for q, e in pairs(oldPlayer.Weapons:GetChildren()) do
        oldPlayer:SaveString(tostring(e.Name) .. "EXPNew", tostring(e.Value))
    end
end)