NPCs moving into empty lots

Tagging @SlayerRose  to see my answer

Product: The Sims 4
Platform:PC
Which language are you playing the game in? English
How often does the bug occur? Often (50% - 99%)
What is your current game version number? 1.51.77.1020
What expansions, game packs, and stuff packs do you have installed? Expansion packs: cats and dogs, city living, get famous, get to work, get together. Game Packs: dine out, jungle adventure, vampires. Stuff Packs: bowling night, perfect patio, vintage glamour.
Steps: How can we find the bug ourselves? In Newcrest, In the lots named, The political Instrument, The Influencer and Oak's Hidden Alcove. The sims that are currently occupying the houses are not made by me. (Omar Choukri, Genji Maeda, Denzel Cabrera) I left those houses empty of sims on purpose after creating and styling them. This has happened before and I thought I had fixed it by evicting the previous sims, changing my password, changing my id, and adding security codes, however it has happened again. The sims that appeared also look to be gaining skills (they aren't being played by me). In addition to this, last night, my "out of this world desktop computer" and "gotta stream em' all streaming drone" disappeared while I was playing the sims in that household (the sims in that household I did create) that lot is named "feelin' blue starter". I believe it may be connected since it occurred around the time new sims showed up.
What happens when the bug occurs? Sims I didn't create or move in appear in the household lots I create and leave empty. Those sims seem to be gaining skills as if they are being played. (I haven't checked any of the other worlds for anything similar)
What do you expect to see? No sims in the houses I've left empty. Thank you for looking into this.
Have you installed any customization with the game, e.g. Custom Content or Mods? Never used.
Did this issue appear after a specific patch or change you made to your system? Neutral/Not Sure 

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Hi @vineofthorns 

I've merged your post with similar report.

Do you have the option 'Fill empty homes' ticked in the options ? 

If so, try turning that off. This makes Sims move into your empty houses. 

There is an open bug report for that not working properly: https://answers.ea.com/t5/Bug-Reports/OPEN-Empty-lots-wont-fill/m-p/6701857 but maybe that got ninja fixed which is why you're seeing this now but not before.

For the computer, there's two threads.

• https://answers.ea.com/t5/Bug-Reports/NEEDS-INPUT-Computer-randomly-disappears/m-p/6664112#M58974
• https://answers.ea.com/t5/Bug-Reports/NEEDS-INPUT-Sending-metal-to-National-Geo-Counicl-sends-computer/m-p/5253996#M23425

Use the second one if you send something for geo council, the first one if not.

As for the drone, did you use it and it didn't come back ?

It's definitely not a security breech on your account so you don't need to worry about that.

@SlayerRose Did you see my questions in the second post ? Do you also have this option turned on ?

Hi, 

You were right, the 'fill empty homes' must have been ticked off automatically since my last update.  Last update was around the same time it started.  

As for the computer, I'm not too concerned about its disappearance since the replacement computer is still were it should be currently.  

The drone that went missing wasn't in use at the time but it has somehow reappeared right were it should be since I last posted.  

Thank you for all your assistance, I appreciate it. 

-Vine-of-Thorns

The Fill Empty Homes option is the most important selection to check, but also make sure if you happen to have any mods that affect sim behavior (Such as MC Command Center, which used to have a population throttle for empty lots) to check those as well.

- B

Moving this post to tech for now.