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Old 02-08-2026, 01:15 PM   #41
ron_harvey
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Join Date: Nov 2013
Device: Xoom
Restore Database to use 8.x not Working

Quote:
Originally Posted by dizzy274 View Post
I've tried reverting to 8 and it seems to have worked, I haven't done any exhaustive testing, but the error message has disappeared and one other problem has been resolved. Really early days, but looks promising.

Briefly, I downloaded Calibre 8.16.2 installer, exported the Calibre 9 Library ( not used in the end ), renamed the metadata.db, installed 8.16.2, ran the restore database option, ( ran MegaSync to sync my Box Calibre Library to its copy on Mega, which is what my Sync looks at, not relevant to anyone but me ), ran Calibre Sync, it updated it's database with no errors and seems to work ok.

The problem I mentioned was to do with series changes, the changes showed up correctly in the series filter, but when you looked at the actual book it still had the original series information displayed.

I'll do some more testing when I get the time.
This did not work for me, not sure why. Restoring the database left me with only my most recently added books (added after updating to 9.x?). Not sure what I am doing wrong.

Someone please write more detailed instructions, or perhaps point me to what I am doing wrong?

Thanks!
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