I had an error trying to generate my usual catalog:
calibre, version 3.11.0
ERREUR : Exception non gérée: <b>AttributeError</b>:'Catalog' object has no attribute 'fmt_options'
Spoiler:
calibre 3.11 Portable embedded-python: True is64bit: False
Windows-10-10.0.15063-SP0 Windows ('32bit', 'WindowsPE')
32bit process running on 64bit windows
('Windows', '10', '10.0.15063')
Python 2.7.12+
Windows: ('10', '10.0.15063', 'SP0', u'Multiprocessor Free')
Interface language: fr
Successfully initialized third party plugins: DeDRM (6, 1, 0) && Kindle and Mobipocket DeDRM (0, 4, 5) && KePub Output (3, 0, 0) && Fichier de sortie KePub (2, 3, 3) && Modify ePub (1, 3, 13) && Count Pages (1, 8, 0) && Open With (1, 5, 10) && Kobo Utilities (2, 6, 0) && EpubSplit (2, 2, 1) && Obok DeDRM (3, 0, 7) && KoboTouchExtended (3, 0, 0) && EpubMerge (2, 1, 1) && Quality Check (1, 9, 11)
Traceback (most recent call last):
File "site-packages\calibre\gui2\actions\catalog.py", line 51, in generate_catalog
File "site-packages\calibre\gui2\tools.py", line 370, in generate_catalog
AttributeError: 'Catalog' object has no attribute 'fmt_options'
Last time I generated it - successfully - was October 26.
I only looked at the first few threads. I'll cancel this if it is already mentioned elsewhere.