[MWS] Blank/Blue Wedding Event Planning Screen (Patch 1.103.315)

Product: The Sims 4
Platform:PC
Which language are you playing the game in? English
How often does the bug occur? Every time (100%)
What is your current game version number? 1.103.315.1020
What expansions, game packs, and stuff packs do you have installed? Many but for relevency's sake, just bought Wedding story and that's clearly where the issue is
Steps: How can we find the bug ourselves? "plan wedding event"
What happens when the bug occurs? empty event window. Cant pick anything
What do you expect to see? a normal social planning window
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. bought Wedding pack

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I've seen how this was supposedly fixed but Im not sure what to do. Even the temp fix id previously seen about simply having the sims travel doesnt

Edit By Crinrict: Added base game version