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Old 02-22-2022, 10:34 PM   #417
ownedbycats
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Posts: 11,152
Karma: 77304081
Join Date: Oct 2018
Location: Canada
Device: Kobo Libra H2O, formerly Aura HD
Quote:
Originally Posted by ZodWallop View Post
Something was missed somewhere or I just do not understand your post at all. I already have Kobo Touch and Kobo Touch Extended set up as you show and have had them set up for years.

4.31 finally busted my Kobo but good. After restarting it, the Kobo all of a sudden needed me to sign in and was acting like a brand new device.

I rolled back to firmware 4.30 and have reapplied patches.

Now, since the above happened, I have not added any books to my Kobo (all books on my Kobo are sideloaded. Every single one).

Over time, Kobo rebuilt my library. When I got signed out, the sideloaded books were not wiped from the device. Kobo just 'forgot' about them and slowly rebuilt its database.

Once that was all done, I noticed that in My Books, Series was blank. Collections showed all of my collection names. But they all show '0 books'

I hooked the Kobo back up to Calibre and clicked 'Update cached metadata on device.'

When I ejected, Series was repopulated.

Collections still shows all collection names, but each still lists '0 books' (see attached image)

I have tried restarting and have tried connecting to Calibre and clicking 'Update cached metadata on device' several times. Everything else is coming back together. But I can't seem to get collections rebuilt.

Do I have to delete all books and then sideload them again to get collections to work?
Yes, this is to be expected. The list of collections/shelves is still in the database actually I think the list of shelves gets synced, but your re-imported books aren't assigned to them because Kobo had to rebuild that part of the database. Take a look and you'll see reading positions will have been reset too.

Calibre stores series data by default. But Calibre doesn't store any collection/shelf information without setting up the Kobo collection column. So if you don't have one, there is nothing for it to update.

Last edited by ownedbycats; 02-22-2022 at 11:07 PM.
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