[FIXED] [GF] Fan Meet & Greet Goals Not Completing

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? 1.47.49.1020
What expansions, game packs, and stuff packs do you have installed? Get Famous, Cats and Dogs, City Living, Seasons, Get to Work, Jungle Adventure, Vampires, Dine Out, Spa Day, Kids Room Stuff, Vintage Glamour Stuff
Steps: How can we find the bug ourselves? Host a Fan Meet and Greet social event, and have one of the goals be to have Sims dancing at the same time. Form a group and choose the option at a Stereo to "Dance Together".
What happens when the bug occurs? Everyone in your group starts dancing, but you only get credit for your controlled Sim. The rest of attendees don't count.
What do you expect to see? The goal should count all of your guests as dancing since that's what they're doing.
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? Yes
Please describe the patch or change you made. Since this type of social event is added with Get Famous, I guess I have to say that change caused this.

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This pictures shows a group of Sims all dancing at once, to the same speaker up on the wall.

But for some reason, only the Sim who is in my household is counting towards the party goal.

Before this party I had a House Party with the goal to have 3 Sims dancing at the same time, and that one completed just fine, but this party is a Fan Meet & Greet, and it's not completing properly, so I'm inclined to think it's more an issue with this type of event, than just events in general.

If it's makes any difference, this party is being hosted at the Stargazer Lounge from the City Living Expansion Pack, but I've also hosted this type of event at the lounge in Oasis Springs, and this goal wouldn't complete that time either.