Bug with relationships

[Nadea18]

Product: The Sims 4
Platform:PC
Which language are you playing the game in? English
How often does the bug occur? Occasionally (10% - 49%)
What is your current game version number? 1.99.264.1030
What expansions, game packs, and stuff packs do you have installed? vintage glamour, vampires, tinyu living, strangerville,spa day, snowy escape,seasons, romantic garden, realm of magic, perfect patio, parenthood, paranormal, outdoor retreat, nifty knitting, movie hangout, moschino, luxury party, laundry day, jungle adventure, star wars, island living, holiday celeb, get together, get to work, get famous, fitness, eco lifestyle, dream home, discover uni, dine out, cottage living, city living, cats n dogs, bust he dust, bonus content
Steps: How can we find the bug ourselves? Play a little
What happens when the bug occurs? Receiving a unknown sim message to current sim, stating my sim is a bad person "we should hang out more" and the other message from a known sim stating my sim is a cheater, except my sim has no romantic intrest?
What do you expect to see? not to receive those messages from other sims that i know not
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? Yes
Please describe the patch or change you made. after this update: horse ranch getting this bug

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