I decided to move in a bunch of Maxis Sims from the gallery and noticed immediately that I cannot transfer Sims to a new household now.
Edit By Crinrict: Adjusted Title to better reflect ...
Ideas
Not being able to transfer sims to a new household through the cellphone is such an issue that I can't even switch households through manage worlds and manage households. However I try, I just get stuck on an endless spinning plumbob and have to restart my pc to exit the game which I've had to do 10 times; so I'm relieved to know it's not just my game now...