Im not getting any error and the AnimationId is changing and getting set to rbxassetid://6213677226 but when ever you jump its not playing its playing the default animation
game.Players.PlayerAdded:Connect(function(plr)
plr.CharacterAdded:Connect(function(char)
char.Animate.jump.JumpAnim.AnimationId = "rbxassetid://6213677226"
end)
end)

2 comments
Hey man - have you set the animation track priority to become Action?
don't worry I got it to work but now I have another problem the animation plays in roblox studio but not real game