I can’t save, travel, manage worlds, or modify household or anything since I tried to sell my puppies. They’re still there and everything says I can’t do anything while a sim is leaving my household. I don’t want to just exit the game because I’ve made too much progress since my last save and I really don’t want to do everything over again. Is there a way around this???
I'm afraid there isn't. If the game is stuck like that, all you can do is shut it down forcefully and loose all progress.
That said, this is kind of a known issue so you might wanna click the me too button on this thread: https://answers.ea.com/t5/Bug-Reports/OPEN-CD-Pet-adoption-person-won-t-leave-adoption-selling-negle...
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