Can't plan birthday party as no one is eligible (non-vamp)

So my main sim's birthday is shown on the calendar. When I try to plan a birthday party on that day, she doesn't show as an option for the birthday sim. Only my sims boyfriend shows for an option since he's in my household. I'm probably going to just do a regular house party but it's still a little annoying. Does anyone know why this is happening?

Could you please edit your post and add the following info to your post.

Product: The Sims 4
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@KtLyn129 wrote:

Unable to have birthday party for my sims. When clicking through to get to the arrow to choose the guests and location it states ‘No sims in this household have a birthday today.’ I attempt to plan early and on the day of. Please help! 

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Interesting, maybe every single thing with timing is off, aging is broken, people can't follow sims to work, saves and items are getting resets to earlier times, your birthday is getting told by game it doesn't exist that day...

Can EA figure out why the timing things they've changed isn't communicating with their game's own time system? And possibly that's breaking our saves system as well?

Yes the one I was trying to was a vampire however it also won’t let me schedule a birthday party for my non vampire sim with the same reason. I was able to throw a house party and use a cake to celebrate tho!

Yep the non vamp is in the same house and I tried at all different hours of the day before the bday. I’m glad the work around worked tho!

Hi,

I have a family with no vampires whatsoever and have this issue constantly. I tried turning auto aging on/off, I restarted, I removed my mods folder. I feel like I have tried everything to try and fix this and it still is not working. It only just started happening too as I had a previous birthday a couple of days previously, with the same save file. I would love a solution to this issue.