Here's a dirty fix for the Lana squat scene not working (I also changed so that sleeping removes 5 sleepiness since I ended up in a an evil circle where I couldn't remove it from normal sleep with both characters).
The change is done in SpineSceneVisual in method GetAnimationSmooth, I replaced the return float.Parse with the code below. The change is the safer version of parsing strings into floats, if the string can't be parsed into a float the variable is unchanged. Obviously the underlying error is still there, but at least you can play the scene with this change.
C:
float smooth_pose = 0f;
float.TryParse(this.different_animation_smooth[this.character][this.different_animation_smooth[this.character].IndexOf(pose) + 1], out smooth_pose);
return smooth_pose;