I have a humanoid and I have added some animations made in Mixamo to it. I have made also a parent object that contains the Body with its animator attached so that I will use the relative position to its parent.
However, I have some animations that occur when the humanoid is sit and also a sitting animation. I get that the humanoid instead of sitting down, it goes up and actually sits on the air. So I changed the sitting animations to modify Y on the humanoid Body so it will go down to y = -3.5f. It actually works smoothly inside the animations tab but when I run it, even though it changes its position to -3.5f after it begins to increase weirdly and in a few seconds my character is no longer sit but again in the air and to the infinite. What can I be? Here is a video that I made of my issue. Animation always changing object position - YouTube