I have some problems with my animation

I’m playing around with some of the Paragon assets and i tried importing one of the characters to my top down game. It works the only problem is the animations are a bit weird.

https://vimeo.com/311073360

The problem is probably here:

I tried to unconcect the roll and the pitch from the set role pitch and yaw comment and it helped a little bit, the characters does not go through the floor any more. The forward and backwards animations work fine but the left to right movement still looks glitchy. Is there any way to fix that?