Rig: Copy from other avatar

How does this work, because when I try it like this:
Character import settings:

Animation import settings:

It ends up being halfway through the ground, like you can see on the Animation import settings animation preview.

Configure avatars for both models. Make sure they are both humanoid. Don’t preset an avatar or anything. Once both have their own avatars, apply the animation to a Animation controller. Put this animation controller on the new model