Thread: Failed to Back Up Device Database
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Old 10-23-2025, 07:19 PM   #1
enuddleyarbl
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Posts: 793
Karma: 1538394
Join Date: Sep 2013
Device: Kobo Sage
Failed to Back Up Device Database
EDIT: It looks like that error message is from Kobo Utilities, so I should have posted this elsewhere. But, it's OBE: I copied my previous database backup from Kobo Utilities to .kobo/KoboReader.sqlite, did a few re-updates and all seems well.

OP: Just plugged my Kobo Sage in to my Windows 11 computer and within Calibre got the following:
Code:
calibre, version 8.13.0 (win32, embedded-python: True)
Failed to back up device database: Failed: Backing up Kobo device database

row 378 missing from index sqlite_autoindex_AnalyticsEvents_1
non-unique entry in index sqlite_autoindex_AnalyticsEvents_1

Traceback (most recent call last):
  File "calibre\gui2\device.py", line 111, in run
  File "calibre_plugins.koboutilities.features.backup", line 216, in device_database_backup_job
Exception: 
row 378 missing from index sqlite_autoindex_AnalyticsEvents_1
non-unique entry in index sqlite_autoindex_AnalyticsEvents_1
It's been working fine for ages. Any suggestions on what to look for?
Last edited by enuddleyarbl; 10-23-2025 at 08:17 PM.
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