Negative Calorie/Macronutrients Not Working?

Are negative values for calories/macronutrients working for anyone else, or did they do a site wide change?

I currently calorie/nutrient cycle based on my workout/rest day pattern. I have my goals set to my rest day calories/macronutrients (or as close as possible with the 5% selectors). Previously, I had created two foods, a workout and a rest day food that would adjust my calories/nutrients to my desired level when I "ate" them.

Example: My rest day calories are 2000, and I'm carb limited to ~50g. For a workout day I'm allowing myself 3300 calories, tons of carbs, but limiting my fat to ~60g. Since my goals are set to rest day of 2000 calories, 110g of fat, 50g carbs, my workout day "food" was -1300 calories, 50g fat, and -300g (or something like that) carbs. Basically if all I eat for the day is the adjustment food, my rest/workout day goals will be EXACTLY what I want for the day down to the last gram/calorie.

It was working fine and dandy until recently. I'm trying to create new private foods (since my bodyweight has changed) but it won't let me use negative values anymore.

Any ideas why? Am I missing some check box somewhere that let's me do this?