[OPEN] Error Code 134:f3b264bf

Product: The Sims 4
Platform:PC
Which language are you playing the game in? Polski
How often does the bug occur? Every time (100%)
What is your current game version number? 1.99.264.1030
What expansions, game packs, and stuff packs do you have installed? expansions: Get To Work Get Together City Living Cats & Dogs Seasons Get Famous Island living Discover University Eco Lifestyle Snowy Escape stuff: : Movie Hangout Romantic Garden Kids Room Backyard Vintage Glamour Bowling Night game packs: The Sims 4: Outdoor Retreat (2015) The Sims 4: Spa Day Dine Out Vampires Parenthood
Steps: How can we find the bug ourselves? It occurs while trying to load into households
What happens when the bug occurs? It puts me in the worls selection page and shows a pop-up saying "The game failed to load. Error Code: 134:f3b264bf:78e9ac19. It is recommended that you relaunch the game."
What do you expect to see? I expect to load into my households.
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. I updated my game with the latest update that came before the horses pack.

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Can someone please help? Do we know if many people are experiencing this issue and is there an update coming to fix that or something? I have found little to pretty much none information on the internet so I'm getting pretty annoyed. 

Also, is this forum the only way to report bugs from the game? Is there an e-mail one can use to contact ea to make sure they notice this problem? I've been playing in one save for a few years now. I really wouldn't like to loose that.