Problem during sex animations

[lisander68]

I have been having problems with SexLab-related animations for a few days now. To better explain the problem, I leave a screen
 

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Looking at the minimap, there should be three men masturbating in the room, but as you can see, they are not shown.  Simply put, men become invisible when they begin their animation. I don't understand what generates this, partly because, again, it's only been happening for a few days.

[lisander68]

Another problem (definitely worse than before), during a sex animation either the game goes into CTD or stays like this

 

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It's as if my PG gets stuck in the ground. I'll preface this by saying that I don't have anything installed that changes the terrain or anything else

Never had this happen