Animation unable to load in game? It's failing?

I dont know how to fix it but can someone help Im unable to load the animation for a dance

local player = game:GetService("Players").LocalPlayer

repeat
    wait(10)
until player.Character

local char = player.Character
local hum = char:WaitForChild("Humanoid")


local animTrack = Instance.new("Animation") animTrack.AnimationId ="rbxassetid://4898878621" 
local animation = hum:LoadAnimation(animTrack)


script.Parent.MouseButton1Click:Connect(function()
    animation:Play()
end)