Camera colliding against ground on animation!

Hey! I’m trying to make a roll animation (not the one in the vid tho) but camera keeps colliding with the ground. It never happened to me before; I thought camera subject “humanoid” was HRP (which doesn’t move during an animation). How can I fix this?

https://gyazo.com/fb520b9cc1c14c8122079be543286864

Thanks for reading!