Doors won't stay locked

[AscendioAces]

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? 1.65.77.1020
What expansions, game packs, and stuff packs do you have installed? All except Tiny Living and Moschino stuff
Steps: How can we find the bug ourselves? Play with a locked door for a short while, possibly just in Brichester.
What happens when the bug occurs? In Wyvern Hall, I have twins sharing a dorm room. I lock the door to everyone and then unlock for the twins. This keeps everyone out for a little while, but after a few sim hours NPCs start coming in to use my computer or bathtub so the locking has failed. The only work around I have found so far is to enablefreebuild and delete/replace the door to make the door locking feature work again for another few hours.
What do you expect to see? The doors to remain locked according to the input settings.
Have you installed any customization with the game, e.g. Custom Content or Mods? Yes
Did this issue appear after a specific patch or change you made to your system? Neutral/Not Sure 

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The locked door feature has become ineffective whilst at university. In Wyvern Hall, I have twins sharing a dorm room. I lock the door to everyone and then 'unlock for specific sim' for the twins. This keeps everyone else out for a little while, but after a few sim hours to a day NPCs start coming in to use my computer or bathtub so the locking has failed.

The only work around I have found so far is to enablefreebuild and delete/replace the door to make the door locking feature work again for another few hours.

I do have a mod on my game, but I only installed this today to fix the eco living autonomy issues, and this door locking issue has been occurring since I started playing again (3 days ago) so the mod hasn't caused the issue.

[crinrict]

@AscendioAces Since there was a patch a few days ago, please do make sure it's not the mod by removing it. It's unlikely but best to test nonetheless.

[crinrict]

@AscendioAces Did you have a chance to test this without mods installed ?

[crinrict]

@AscendioAces Moving this to tech issues for further troubleshooting and info