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Old 08-11-2017, 11:55 AM   #1
Blaise
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communication betwenn Calibre and Kobo Aura H2O
I succesfully loaded books from calibre to my Kobo (many times).
But since 6 month about, when I try to delete a book from my Kobo with calibre I got a error message saying: "problem of communication with your device" and I get these information(see below) - What should I do ?


calibre, version 3.6.0
ERREUR : Erreur: Erreur pendant la communication avec le périphérique

CorruptError: database disk image is malformed

Traceback (most recent call last):
File "site-packages\calibre\gui2\device.py", line 88, in run
File "site-packages\calibre\gui2\device.py", line 616, in _delete_books
File "site-packages\calibre\devices\kobo\driver.py", line 509, in delete_books
File "site-packages\calibre\devices\kobo\driver.py", line 2150, in delete_via_sql
File "site-packages\calibre\devices\kobo\driver.py", line 453, in delete_via_sql
File "c:\t\t\apsw-9hooel\apsw-3.13.0-r1\src\cursor.c", line 236, in resetcursor
CorruptError: CorruptError: database disk image is malformed
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Old 08-11-2017, 12:34 PM   #2
PeterT
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As this says, the database is corrupted. The best option is to sign out from your Kobo account which will force you to resetup the device.

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Old 08-11-2017, 12:40 PM   #3
JSWolf
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If you are using Kobo Utilities to keep a backup of your database, you could restore the last backed up database, reboot, and continue on your way.
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Old 08-11-2017, 09:07 PM   #4
davidfor
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Quote:
Originally Posted by Blaise View Post
I succesfully loaded books from calibre to my Kobo (many times).
But since 6 month about, when I try to delete a book from my Kobo with calibre I got a error message saying: "problem of communication with your device" and I get these information(see below) - What should I do ?


calibre, version 3.6.0
ERREUR : Erreur: Erreur pendant la communication avec le périphérique

CorruptError: database disk image is malformed

Traceback (most recent call last):
File "site-packages\calibre\gui2\device.py", line 88, in run
File "site-packages\calibre\gui2\device.py", line 616, in _delete_books
File "site-packages\calibre\devices\kobo\driver.py", line 509, in delete_books
File "site-packages\calibre\devices\kobo\driver.py", line 2150, in delete_via_sql
File "site-packages\calibre\devices\kobo\driver.py", line 453, in delete_via_sql
File "c:\t\t\apsw-9hooel\apsw-3.13.0-r1\src\cursor.c", line 236, in resetcursor
CorruptError: CorruptError: database disk image is malformed
Looking at where the error occurred in the driver, I'm surprised you didn't get an error when calibre was getting the book list from the device. That could mean the corrupted part of the database is an index. And compressing the database might fix it. My Kobo Utilities plugin has a function to do this. I'm not certain it will work, but you will be in no worse position than you currently are.

If this doesn't work, then JSWolf's and PeterT's suggestions are the way to recover.
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