IsFinite 2D animation

Hello.
I recently have made a simple 2D character to introduce myself to Unity’s 2D features. I created two simple animations for him. I have it set to idle for 1 second and blend into a run. However, upon hitting Play, the lower half of him, and his lower right arm, dissappear for the idle animation, only returning after the run animation has fully blended in. I also get IsFinite errors through this.
It is not an animation problem, in the animation tab it runs fine, no errors, no missing components. Help!

Nevermind, it turns out that sprites have to have 1 as their Z scale, and I had accidentially changed the bottom torso’s value.