Errors with Zotero data

24feng

Problem description:
I've been using the Zotero(version 6.0.36) for a long time, and I closed it last night.
When I opened the Zotero again today, I found that the highlighting of PDF text was missing a lot.
The difficulties I encountered：
I don't use Zotero syncing.I have found the directory containing zotero.sqlite and a 'storage' subdirectory.
I tried to restore my Zotero data from the backup, but failed.
How to restore from the backup？
This is very important for me！

24feng

https://s3.amazonaws.com/zotero.org/images/forums/u14169033/wooin2srqj1j9iyohdm9.png

dstillman

Highlights don't just disappear, so you should make sure you're not just looking in the wrong place (e.g., at a duplicate).

In any case, follow these instructions precisely to restore from an automatic backup from the last two days.

24feng

I have followed the instructions precisely to restore from an automatic backup from the last two days. But some of the text that I once highlighted is not displayed. I wonder if there is a problem with the backup?

dstillman

The backups would reflect the data that was in your library at the times they were made, which you can see from the timestamps in the file listing above. If you follow the instructions precisely, including disabling auto-sync, you'll see that data when you restart Zotero.

adamsmith

So, when you say the restore doesn't work, what does that mean? You get an error or the annotations aren't in the backup either?

24feng

When I restored the backup, there were still some PDF highlighted texts that were not displayed. I'm sure that these highlighted texts already existed before the backup.
Will there be an error during automatic backup？ I don't know if there's a problem with my backup or somewhere else. Is there any way for me to see the previously highlighted text？