I made a script that changes your toolnone animation, and in the game I made it in, it works, however when I tried to use that same animation in another game, it didn't work. No errors appeared in the output. I'm not sure what the reason could be
game.Players.PlayerAdded:Connect(function(p) p.CharacterAdded:Connect(function(char) char.Animate.toolnone.ToolNoneAnim.AnimationId = "rbxassetid://4799771030" end) end)