Issues With Underground Kitchen Stove Connecting to Hearth

I am having issues getting my stove to work. I have a Stone Hearth connected to exhaust that I have fueled and can turn on. But when I try to queue a meal for the stove I get a "Fine Stone Hearth has Insufficient Fuel" warning and I cannot cook the food.

It doesn't matter if I have a stone hearth or fine stone hearth, neither work. I have tried rebuilding the stove, dismantling and placing a new one, putting the stove and hearth in different spots. Nothing is working.