This script only work in solo mode, but in online mode doenst work, can someone help?

I am making a first person game and this script works on solo mode but doens't work in online mode. here is the script if you wan't to help (srry for bad english)

local plr = game.Players.LocalPlayer local char = plr.CharacterAdded:wait() local hum = char:WaitForChild("Humanoid") local rootpart,head = char:WaitForChild("HumanoidRootPart"),char:WaitForChild("Head") game:GetService("RunService"):BindToRenderStep("CameraOffset",Enum.RenderPriority.Character.Value+1,function() hum.CameraOffset = (rootpart.CFrame+Vector3.new(0,1.5,0)):pointToObjectSpace(head.CFrame.p) end)