Q&A: Dream Home Decorator

I'm trying to do a gig where the client wants a new office and bathroom on the top floor. However, when I got to the house, there's only a ground floor, and whenever I try to add a second floor, it says I can't because I need to follow the gig rules/restrictions which say I can only edit the top floor...also, whenever I try to add stairs or a ladder to go to the next floor I'm trying to add, it won't let me because I'm not supposed to edit the ground floor. I've really liked this pack so far, but this glitch or bug is really frustrating me, because now I'm going to have to cancel the gig which will decrease my reputation.
On a side note, I also had a previous bug where I went to complete a gig at an apartment, and when I went to knock on the door, it was greyed out and said no one lived there...so I had to cancel that one too and take a hit to my reputation.