Root Transform options is invisible

I create simple 3D model with animation in blender. I export him to .fbx and import to Unity and I read in documention about Root Transform, but when I open my animation, I don’t have this options in Inspector (Animation category)

(Image from Unity Manual)

(My image)

In Rig Category I have

It is saying that "Root motion is driven by curves. Expand the curves section and see what is in there? Maybe that will help. Add the screenshot here also.

it just happened to me randomly… it showed correctly until I did something