Hey! Thanks so much for the comment, I'm really glad to hear you're liking the game so far, despite it's semi-buggy state.
The game is still in Alpha development, so there's a couple bugs to hammer out in the main gameplay framework; I think the Great Hall is probably just not referencing it's floor data properly. I'll look into that, and it should be fixed in the next version I have planned. I'm hoping to have the first couple floors completely playable before moving to into Beta development.