Catalina Books Error - BKAgentServiceErrorDomain error 8

I updated to Catalina 10.5 on MacBook Pro (Retina, 15-inch, Late 2013), and am now unable to open books (ePubs/PDFs alike) via Books. These books are there, I can sync them to my iPad and they open, but they do not open in Books.


The same happens with book downloaded from Books store.


This means all book are in accessable. Thank you Apple.


Books displays with the following error dialog:


The operation couldn’t be completed. (BKAgentServiceErrorDomain error 8.)


The black spinning icon show on book icon indefinitely.


Very frustrating issue, Apple has broken the app. One more thing to add to list of disappointments with Catalina!


Anyway know how to resolve?







MacBook Pro 15", macOS 10.15

Posted on Oct 22, 2019 9:38 AM

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Question marked as Top-ranking reply

Posted on Nov 19, 2019 4:30 PM

This is how I solved it:


Close Apple’s Book. 


On “Finder” go to “Go” and from there to “Go to folder”


Type the following:


~/Library/Containers/com.apple.BKAgentService/Data/Documents/iBooks/Updates


You will go to a folder with two files inside. Delete them or, if you want to be on the safe side, move them to your desktop.


Open Apple’s Books. Now you should be able to open your books and pdf files.


Hope this helps. 



34 replies

Nov 20, 2019 3:28 AM in response to john2323

Actually, Apple Tech Support made the same suggestion and (for now) the books are opening. Yeah!


One other question, since doing this, many of my books on my (iPads and iPhone) devices have gone to generic covers and some have completely disappeared. I tried putting the missing ones back in books and into iCloud.co (new book) without any luck. Any thoughts?

Dec 1, 2019 4:03 AM in response to Ukappleuesr290

This has been my issue exactly. All books have opened on my MacBook, regardless of format or source, but when I went to sync with my iPad, my PDFs and EPUB did not transfer from the laptop to the tablet. Only books downloaded from Apple made The migration. I have been working for weeks with Apple support, multiple senior advisers who did not respond to me when they scheduled a promised update call, and someone from customer support. To date,, I have had every possible assistance short of actual help. After sending multiple logs for analysis to “engineer in“ I have finally gotten a response: they “hope“ to resolve the problem in a future update. This has been such an unsatisfactory process.

Dec 1, 2019 8:10 PM in response to Ukappleuesr290

I spent my whole **** day on this. Finally after running disk utility in safe mode and then in recovery mode I called Apple and the best they could do was have me reinstall scatalina. And guess what. All my books are still inaccessible. Every single one of the 1000 plus epubs and pdf's that I have accumulated over the course of ten years is dead. And after waiting for Scatalina to reinstall I try to open Music...


  • NOW MY MUSIC WILL NOT LOAD INTO APPLE MUSIC!



AFTER UPGRADING T0 SCATALINA THIS IS THE **** I'VE BEEN STRUGGLING WITH FOR WEEKS!


  • PODCAST SHOWS UP AS BEING OPEN IN THE FORCE QUIT WINDOW CONTINUOUSLY (AND IT ISN'T OPEN).
  • APPLE MUSIC DUPLICATES PLAYLISTS, CREATES EMPTY PLAYLISTS, DELETES PLAYLISTS EXCEPT A HANDFUL EVERY TIME I OPEN MUSIC.
  • MAIL CONTINUOUSLY BOUNCES BACK RECEIVED EMAIL TO SENDERS.
  • MAIL FILES COPIES OF RECEIVED MAIL INTO TRASH WHILE A COPY REMAINS IN MAILBOX
  • FINDER BLINKS IN AND OUT PERIODICALLY LIKE AN OLD TELEVISION SET
  • SPOTLIGHT SITS AND SITS THEN STATES THERE IS NO DATA WHEN THERE IS A WHOLE WEB OF DATA OUT THERE
  • TEXT DISAPPEARS, PARAGRAPHS DUPLICATE AND SUBSTITUTE THEMSELVES INTO OTHER AREAS OF DOCUMENTS RANDOMLY USING TEXT EDIT.


AND THE LIST GOES ON AND ON AND ON.


The best answer they can give are, (as if I hadn't thought of them myself already).


  • "have you restarted your computer?"
  • "have you deleted login applications?"
  • "have you reisntalled Catalina?"


Apple has no solution to this, nor does Apple seem to care at the moment. I am left with trying to back track into Mohave. And if I can't get this **** Apple crap to work after being a steady customer for almost 20 years, I'm going out and buying a PC for half the price and starting all over again. At least I won't have to deal with super expensive machines that last far longer than they can be used with half baked upgrades.


SCATALINA IS A COLOSSAL FAILURE AND I HAVE POSTED IT ON MY FACEBOOK AND ELSEWHERE

BECAUSE APPLE CONTINUOUSLY EDITS MY POSTS HERE OR DELETES THEM OUTRIGHT.






Dec 1, 2019 8:20 PM in response to sjpCT

This is more than a real issue. You shouldn't have to seek out a third party application when Apple is supposed "just work". That lie should die a quick and painful death. Anything like this that not only slows down your productivity but brings it to a grinding halt should make you want to throw a heated iron through Apple's corporate office window.


This is unacceptable.


Has there even been any announcement from them regarding fixes for all the messes scatalina has created for everyone?

Dec 1, 2019 8:33 PM in response to Messi4ever

Thank you Messi4ever.


You should be paid by Apple and not their dorky techs. I spent two hours on with them and went through the usual routine of; restart your computer, run disk utilities in recovery mode, reinstall scatalina. NOTHING WORKED AND NOW MY MUSIC IS DEAD TOO.


But after finding your suggestion by sheer luck and checking into that folder, do you know what I found? I didn't find two items in there, instead I found one. An epub. A book.


A book that should have been with all the other books. Why one lonely book was thrown into that file is anyones guess. But if this is the random crap we have to expect from apple and their newest mess scatalina, then I'm going to start investigating linux and the possibility of returning to pc's. I left pc's 20 years ago for just this reason. Same crap, different OS. I can only hope things have gotten better because honestly it doesn't seem we have much choice in systems these days. Where are we heading when only a small handful of corporations have such control over everything we do now. It almost seems like some weired scifi novel we would have read in high school or something.


So thanks again. You my friend make their whole outfit look rather inept.

Dec 2, 2019 8:20 AM in response to AnthonyFasolo

I had been working with "senior advisors" and customer service for two weeks. Finally, after hours on the phone, no callbacks when promised, submitting two sets of logs to "engineering," here is the response I got: Engineering is "hopeful" that there will be a fix in the next update. Hopeful? This makes a Windows upgrade look good by comparison.

Dec 3, 2019 7:44 AM in response to sjpCT

Wow! Perhaps they should just dispense with the pleasentries and simply say they will get around to it when they get around to it and you will just have to wait. lol. I've since received a warning that they will "remove my privledges), of partaking in these forums. Aparently I've hit a nerve or two with my declarations of switching back to PC's after the past 20 years. I miss Steve Job's terribly, but Apple is just one more case of the one mores, these days. Their products no longer, "just work". And I do believe they no longer care.


Sorry about all that work you put into working with their "senior advisors" and other lackeys. I wonder if you can send them a consulting bill?

Dec 20, 2019 7:47 AM in response to sjpCT

Same here. I started to post here a few days ago. I’d read the details on the update and checked with a few sources after it had been out for a bit. Everyone said it had fixed the issues of not being able to sync the books over to iPad and iPhone. So, I bit the bullet, lit a candle to the tech deity, and updated. All of my books are now coming over just fine. In fact, the ones that hadn’t synced over due to the error came back onto my devices automatically. This is the kind of service I want to see again from Apple; that when we have an issue and make it known, that they put their collective heads together and solve it. I’m assuming that since this was an issue that affected one of their revenue-based apps and services, that this is why it was addressed and corrected so quickly. I hope they continue to respond so favorably in the future, even to issues that may not be so widespread.

on a sidenote, I have yet to do the latest update for the iPad or iPhone. Any news on whether these affect the books or not?

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Catalina Books Error - BKAgentServiceErrorDomain error 8

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