[FIXED] Sim Unable to (Finish) Writing Book

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? 1.61.15.1020
What expansions, game packs, and stuff packs do you have installed? Get to Work and the free Holiday Celebration Pack
Steps: How can we find the bug ourselves? Have a Sim start a Sad book or a Romantic book when in a sad/flirty mood, but "finish" (i.e. fill the wheel) when they are no longer in that mood. Try to go back and Resume writing it. I have had this happen with books that aren't particular to a mood (definitely a biography), but it happens most consistently with mood books.
What happens when the bug occurs? The progress wheel will fill, but the book won't be completed. There will be no notification of completion, the book will not appear in the Sim's inventory, and it will still be an option to Resume. When I try to Resume the book that should be completed, the action will appear and then immediately disappear from the queue. I'm not 100% sure it always happens when it's supposed to have finished because I'm not always paying attention, but there have been times when I did feel like it shouldn't have been finished.
What do you expect to see? Either for the Sim to finish the book and be able to publish it, or to be able to resume writing the book until it can be published.
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? Neutral/Not Sure 

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I experienced this problem before I installed any mods. Now I have MC Command Center (with occult and cheats).

It happened right before this save: https://drive.google.com/open?id=100-C2N0XeFprADS9onRnRjf6JAu1naTC

Try finishing the books while in the same mood, check if that still hapens, if not perfect, if it still occurs try resting your game and restarting your PC. If that still doesn't work I am soory, but I have no idea.

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? 1.65.70.1020
What expansions, game packs, and stuff packs do you have installed? Discover Uni, Island Living, Get Famous, Seasons, Cats & Dogs, City Living, Get together, Get to work, Realm of Magic, Parenthood, Vampires, Dine out, Spa day, Outdoor treat, Tiny Living, Moschino, My first pet, Laundry, Toddler, Fitness, Bowling, Vintage Glamour, Backyard, Kids, Romantic Garden, Movie night, Spooky, Cool Kitchen, Perfect Patio, Luxury Party, Holiday Celebration, Grims Goulish Guitar
Steps: How can we find the bug ourselves? Write a book, and then have a dim resume writing the book. Might help if its an emotional book. Or if you exit game before they finish writing and resume writing when you load up sims again.
What happens when the bug occurs? My sims wont resume the book she started earlier. She goes to the laptop and the action disappears.
What do you expect to see? I had my sims write an emotional book. Must've save & quit, when I came back I had her resume writing and the action disappears when she sits at the desk.
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. The most recent patch update released by the sims

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Everything I stated above^

@SimizenJ 

Would you mind sending me your save ? Instructions in my signature 

Product: The Sims 4
Platform:Microsoft XBOX One
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? 1.30
What expansions, game packs, and stuff packs do you have installed? City Living, Cats and Dogs, Seasons, Discover University; Outdoor Retreat, Parenthood, Jungle Adventure; Movie Hangout Stuff, Kids Room Stuff, Fitnezs Stuff, Toddler Stuff, Laundry Day Stuff, Moschino Stuff, Tiny Living Stuff
Steps: How can we find the bug ourselves? Have a Sim start writing a book. Once you've gotten them a little ways, have them stop, and try to resume.
What happens when the bug occurs? My Sim stays in the same spot they were in, as if I didn't tell them to do anything.
What do you expect to see? I expect to see my Sim go to their desk, sit down, and finish writing the book.
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? Neutral/Not Sure 

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A USB drive action image will show up, but just fade/cancel out. My Sim still uses their desk and computer, but finishing a book just doesn't work.

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? 1.65.77.1020
What expansions, game packs, and stuff packs do you have installed? All of them.
Steps: Start Writing a book, the sim has to leave to go to work (Detective Job, and I chose to go with)
What happens when the bug occurs? Try to continue writing, computer sound comes up, and then dies, Sim gets 2 N.A.P. points because of supporting the arts, and nothing 
Have you installed any customization with the game, e.g. Custom Content or Mods? Only a couple scripted Cheat/Debugging mods for when weird stuff happens, and a whole bunch of CC CAS stuff (Maxismatch)
Did this issue appear after a specific patch or change you made to your system? Unless the latest Patch counts, no.
Please describe the patch or change you made. The most recent patch update released by the sims
https://www.ea.com/games/the-sims/the-sims-4/news/update-notes-aug-18-2020

Product: The Sims 4
Platform: PC
Which language are you playing the game in? German
How often does the bug occur? Every time (100%)
What is your current game version number? 1.65.77.1020
What expansions, game packs, and stuff packs do you have installed? Cats and Dogs, Seasons, Outdoor Retreat (and Free Holiday Stuff)
Steps: How can we find the bug ourselves? Persists in my save game, not sure how to provoke it
What happens when the bug occurs? Sim sits down in front of computer then the activity disappears from their list and shortly after they stand up to do something else 
What do you expect to see? Sim sitting down and then starting to continue writing the book as told to
Have you installed any customization with the game, e.g. Custom Content or Mods? Yes, custom content. But the bug persists after copying the save game into a fresh Sims 4 folder
Did this issue appear after a specific patch or change you made to your system? Neutral/Not Sure 

@crinrictnot sure if you already got a save game, I will send one to you!