Animation inversing the head's actual rotation?

Bug Reports Engine Bugs
#1

I noticed this oddity when I made my dancing animation.

How it looks in the animation editor (how it’s supposed to be):

XtcL1xr.png720×480 488 KB

How it looks ingame/when played on any humanoid (even solo):

PzlZwsZ.png764×554 468 KB

Here’s the place where it takes… place.

The kick animation has a similar error.

#2

I’ve done rotations on ROBLOX’s Y axis (left and right) and not had this issue. So possibly just an issue with up/down.