[DU] Research machine lets you research Thanatology when L&D not installed

Product: The Sims 4
Platform:PC
Which language are you playing the game in? Suomi
How often does the bug occur? Every time (100%)
What is your current game version number? 1.111.102
What expansions, game packs, and stuff packs do you have installed? Almost all of them, excluding Life and Death
Steps: How can we find the bug ourselves? Click the research machine -> Research -> Research Thanatology
What happens when the bug occurs? Sim does the research as with other skills, and in the end there's a notification "Researching "Thanatology" has increased Sim's Thanatology skill." but it doesn't actually affect any skill.
What do you expect to see? Only the skills that I have in my game.
Have you installed any customization with the game, e.g. Custom Content or Mods? Not now. I've removed them.
Did this issue appear after a specific patch or change you made to your system? Yes
Please describe the patch or change you made. After Life and Death update

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Research Machine pie menu has the option to Research Thanatology even if Life and Death is not installed.