[drofart]

Here is the error when i am trying to generate a catalog on calibre 1.23.

Spoiler:

Generate catalog
Sections: Authors, Titles, Series, Genres, Recently Added, Descriptions
Catalog_EPUB_MOBI('Homoeopathy'): Generating epub for generic_eink in GUI environment, locale: 'English'
connected_device: 'None'
book count: 206
opts:
author_clip: 100
catalog_title: u'My Books'
connected_kindle: False
creator: u'Monday, February 10, 2014'
cross_reference_authors: True
description_clip: 380
exclude_genre: u'\\[.+\\]|^\\+$'
exclusion_rules: ((u'Catalogs', u'Tags', u'Catalog'),)
fmt: u'epub'
genre_source_field: u'Tags'
header_note_source_field: ''
merge_comments_rule: '::True'
output_profile: 'generic_eink'
prefix_rules: ()
search_text: None
sort_by: None
sort_descriptions_by_author: True
sync: True
thumb_width: u'1.00'
use_existing_cover: False
Begin catalog source generation (0:00:00)
Books excluded by tag:
- 'My Books' by calibre (Exclusion rule 'Catalogs')
41 enabled genres:
Alternative & Complementary Medicine, Anatomy, Atlases, CANCER, Children,
Chronic Diseases, Cold, Comparative materia medica, constitution, dictionary,
Ethan, FOOD, Guide, history, Homeopathy, Human Anatomy & Physiology,
hydropathy, INFO, Lesser writings, Life Sciences, Materia Medica, Medical,
Menstruation, Mental Rubrics, Nosodes, organ remedies, Philosophy, Potency,
Psychology, Repertory, Reserch, Rubrics, Science, Seed, Stories, surgery,
Therapeutic, tissue remedies, vaccination, Weird, Women
1 excluded genres:
Catalog
Custom fields:
#formats 'Formats' composite
Traceback (most recent call last):
File "site.py", line 58, in main
File "site-packages/calibre/utils/ipc/worker.py", line 192, in main
File "site-packages/calibre/gui2/convert/gui_conversion.py", line 68, in gui_catalog
File "site-packages/calibre/library/catalogs/epub_mobi.py", line 401, in run
File "site-packages/calibre/library/catalogs/epub_mobi_builder.py", line 160, in __init__
File "site-packages/calibre/library/catalogs/epub_mobi_builder.py", line 1051, in fetch_books_to_catalog
File "site-packages/calibre/library/catalogs/epub_mobi_builder.py", line 910, in _populate_title
File "site-packages/calibre/library/catalogs/epub_mobi_builder.py", line 453, in convert_html_entities
TypeError: coercing to Unicode: need string or buffer, dict found