Character walks through walls

Today for my first time I have an animated character… 1 Problem… It walks through walls… It does not fall through the floor it just goes through walls…
Here is the blend file. Don’t laugh it is just a test character.

Attachments

working rig.blend (1.5 MB)

Hello
Head Bone --> Character
And it functions
Object that makes the move Must have a collisionner

Thank you!