KeyError: 'user_categories' - please help

kaisersozee · 07-12-2021, 05:20 PM

Getting this error - any ideas please....

calibre, version 5.22.1
ERROR: Unhandled exception: <b>KeyError</b>:'user_categories'

calibre 5.22.1 embedded-python: True is64bit: False
Windows-10-10.0.19041 Windows ('32bit', 'WindowsPE')
32bit process running on 64bit windows
('Windows', '10', '10.0.19041')
Python 3.8.5
Windows: ('10', '10.0.19041', '', 'Multiprocessor Free')
Interface language: None
Successfully initialized third party plugins: EpubMerge (2, 11, 0) && EpubSplit (3, 0, 0) && Fantastic Fiction (1, 4, 0) && Find Duplicates (1, 6, 3) && Goodreads (1, 5, 1)
Traceback (most recent call last):
File "calibre\gui2\add.py", line 516, in process_duplicate
StopIteration

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "calibre\db\backend.py", line 112, in __getitem__
KeyError: 'user_categories'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "calibre\gui2\library\models.py", line 583, in current_changed
File "calibre\gui2\library\models.py", line 566, in get_book_display_info
File "calibre\db\legacy.py", line 696, in get_metadata
File "calibre\db\cache.py", line 687, in get_metadata
File "calibre\db\cache.py", line 372, in _get_metadata
File "calibre\db\backend.py", line 114, in __getitem__
KeyError: 'user_categories'

kovidgoyal · 07-12-2021, 10:42 PM

That looks like something has deleted the user_categories preference from the calibre database. Running the following will fix it:

Code:

calibre-debug -c "from calibre.library import db; db = db().new_api; db.set_pref('user_categories', {})"

kaisersozee · 07-21-2021, 12:36 PM

Sorry, how do I run it?

Quote:

Originally Posted by kovidgoyal

That looks like something has deleted the user_categories preference from the calibre database. Running the following will fix it:

Code:

calibre-debug -c "from calibre.library import db; db = db().new_api; db.set_pref('user_categories', {})"

theducks · 07-21-2021, 04:06 PM

Quote:

Originally Posted by kaisersozee

Sorry, how do I run it?

Windows RUN or from a command prompt

kovidgoyal · 07-21-2021, 09:47 PM

open the command prompt application and copy paste the command and press enter.

07-12-2021, 05:20 PM	#1
kaisersozee Member Posts: 10 Karma: 10 Join Date: Jul 2021 Location: Romania Device: none	KeyError: 'user_categories' - please help Getting this error - any ideas please.... calibre, version 5.22.1 ERROR: Unhandled exception: <b>KeyError</b>:'user_categories' calibre 5.22.1 embedded-python: True is64bit: False Windows-10-10.0.19041 Windows ('32bit', 'WindowsPE') 32bit process running on 64bit windows ('Windows', '10', '10.0.19041') Python 3.8.5 Windows: ('10', '10.0.19041', '', 'Multiprocessor Free') Interface language: None Successfully initialized third party plugins: EpubMerge (2, 11, 0) && EpubSplit (3, 0, 0) && Fantastic Fiction (1, 4, 0) && Find Duplicates (1, 6, 3) && Goodreads (1, 5, 1) Traceback (most recent call last): File "calibre\gui2\add.py", line 516, in process_duplicate StopIteration During handling of the above exception, another exception occurred: Traceback (most recent call last): File "calibre\db\backend.py", line 112, in __getitem__ KeyError: 'user_categories' During handling of the above exception, another exception occurred: Traceback (most recent call last): File "calibre\gui2\library\models.py", line 583, in current_changed File "calibre\gui2\library\models.py", line 566, in get_book_display_info File "calibre\db\legacy.py", line 696, in get_metadata File "calibre\db\cache.py", line 687, in get_metadata File "calibre\db\cache.py", line 372, in _get_metadata File "calibre\db\backend.py", line 114, in __getitem__ KeyError: 'user_categories'

07-12-2021, 10:42 PM	#2
kovidgoyal creator of calibre Posts: 45,343 Karma: 27182818 Join Date: Oct 2006 Location: Mumbai, India Device: Various	That looks like something has deleted the user_categories preference from the calibre database. Running the following will fix it: Code: calibre-debug -c "from calibre.library import db; db = db().new_api; db.set_pref('user_categories', {})"

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07-21-2021, 09:47 PM	#5
kovidgoyal creator of calibre Posts: 45,343 Karma: 27182818 Join Date: Oct 2006 Location: Mumbai, India Device: Various	open the command prompt application and copy paste the command and press enter.

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