Playing a sitting animation crashes roblox studio

[Judgy_Oreo]

Have you tried doing player.Animator:LoadAnimation?

local Char = seat.Occupant.Parent
player = Char.Humanoid
anim = player.Animator:LoadAnimation(script.sit)
anim:Play()

Humanoid:LoadAnimation and AnimationController:LoadAnimation was deprecated a while ago:

Deprecating LoadAnimation on Humanoid and AnimationController

Some of you have already noticed that Humanoid:LoadAnimation, AnimationController:LoadAnimation, and all the other animation related APIs on Humanoid and AnimationController were marked deprecated. This wasn’t an accident! Of course these deprecated methods are not going away; we can only rarely remove deprecated functionality without breaking games. However, we strongly discourage their use. Using these deprecated methods as intended can easily lead to broken animation replication. It’s a tra…