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Old 01-24-2013, 06:02 PM   #3
Talayero began at the beginning.
Posts: 17
Karma: 10
Join Date: Apr 2012
Device: Sony prs-t1
Thank you for answering.
Now, after rebuilding the books.db, recreating manually all the collections and adding several books, all seemed OK, but then, suddenly, I got a new error and calibre can't communicate with the device:

Cannot concatenate 'str' and 'NoneType' objects

Traceback (most recent call last):
File "site-packages\calibre\gui2\", line 85, in run
File "site-packages\calibre\gui2\", line 470, in _books
File "site-packages\calibre\devices\prst1\", line 197, in books
TypeError: cannot concatenate 'str' and 'NoneType' objects

That's a nightmare.
Can I fix that now without deleting again the books.db?

I think I should look for a different way to manage my collections... But that's a pity, because Calibre is the best, if I could fix these weird problems.
Talayero is offline   Reply With Quote