That always happens to me with books that are not kepub . I tried it with other books already converted and no problem to pass .
Spoiler:
calibre, version 2.43.0 (win32, isfrozen: True)
Error de conversión: Fallo: Convertido el libro 1 de 1 (100 Puertas)
Convertido el libro 1 de 1 (100 Puertas)
C:\Program Files\Calibre2\pylib.zip\dateutil\parser.py:339: UnicodeWarning: Unicode equal comparison failed to convert both arguments to Unicode - interpreting them as being unequal
Resolved conversion options
calibre version: 2.43.0
{'asciiize': False,
'author_sort': None,
'authors': None,
'base_font_size': 0.0,
'book_producer': None,
'change_justification': u'original',
'chapter': u"//*[((name()='h1' or name()='h2') and re:test(., '\\s*((chapter|book|section|part)\\s+)|((prolog|pr ologue|epilogue)(\\s+|$))', 'i')) or @class = 'chapter']",
'chapter_mark': u'pagebreak',
'comments': None,
'cover': u'C:\\Users\\JESS~1\\AppData\\Local\\Temp\\calibre _hw_bzp\\cr7lb2.jpeg',
'debug_pipeline': None,
'dehyphenate': True,
'delete_blank_paragraphs': True,
'disable_font_rescaling': False,
'dont_split_on_page_breaks': False,
'duplicate_links_in_toc': False,
'embed_all_fonts': False,
'embed_font_family': None,
'enable_heuristics': False,
'epub_flatten': False,
'epub_inline_toc': False,
'epub_toc_at_end': False,
'expand_css': False,
'extra_css': None,
'extract_to': None,
'filter_css': u'',
'fix_indents': True,
'flow_size': 260,
'font_size_mapping': None,
'format_scene_breaks': True,
'html_unwrap_factor': 0.4,
'input_encoding': None,
'input_profile': ,
'insert_blank_line': False,
'insert_blank_line_size': 0.5,
'insert_metadata': False,
'isbn': None,
'italicize_common_cases': True,
'keep_ligatures': False,
'kepub_clean_markup': True,
'kepub_disable_hyphenation': False,
'kepub_hyphenate': True,
'kepub_replace_lang': True,
'language': None,
'level1_toc': None,
'level2_toc': None,
'level3_toc': None,
'line_height': 0.0,
'linearize_tables': False,
'margin_bottom': 5.0,
'margin_left': 5.0,
'margin_right': 5.0,
'margin_top': 5.0,
'markup_chapter_headings': True,
'max_toc_links': 50,
'minimum_line_height': 120.0,
'no_chapters_in_toc': False,
'no_default_epub_cover': False,
'no_inline_navbars': False,
'no_svg_cover': False,
'output_profile': ,
'page_breaks_before': u'/',
'prefer_metadata_cover': False,
'preserve_cover_aspect_ratio': False,
'pretty_print': True,
'pubdate': None,
'publisher': None,
'rating': None,
'read_metadata_from_opf': u'C:\\Users\\JESS~1\\AppData\\Local\\Temp\\calibre _hw_bzp\\zmh3yd.opf',
'remove_fake_margins': True,
'remove_first_image': False,
'remove_paragraph_spacing': False,
'remove_paragraph_spacing_indent_size': 1.5,
'renumber_headings': True,
'replace_scene_breaks': u'',
'search_replace': '[]',
'series': None,
'series_index': None,
'smarten_punctuation': False,
'sr1_replace': None,
'sr1_search': None,
'sr2_replace': None,
'sr2_search': None,
'sr3_replace': None,
'sr3_search': None,
'start_reading_at': None,
'subset_embedded_fonts': False,
'tags': None,
'timestamp': None,
'title': None,
'title_sort': None,
'toc_filter': None,
'toc_threshold': 6,
'toc_title': None,
'unsmarten_punctuation': False,
'unwrap_lines': True,
'use_auto_toc': False,
'verbose': 2}
InputFormatPlugin: EPUB Input running
on C:\Users\JESS~1\AppData\Local\Temp\calibre_hw_bzp\ kz4_dx.epub
Found HTML cover OEBPS/Text/cubierta.xhtml
Parsing all content...
Parsing OEBPS/Text/dedicatoria.xhtml ...
Parsing OEBPS/Text/Section0004.xhtml ...
Parsing OEBPS/Text/Section0018.xhtml ...
Parsing OEBPS/Text/Section0005.xhtml ...
Parsing OEBPS/Text/Section0012.xhtml ...
Parsing OEBPS/Text/sinopsis.xhtml ...
Parsing OEBPS/Text/Section0001.xhtml ...
Parsing OEBPS/Text/Section0006.xhtml ...
Parsing OEBPS/Text/Section0013.xhtml ...
Parsing OEBPS/Text/info.xhtml ...
Parsing OEBPS/Text/Section0007.xhtml ...
Parsing OEBPS/Text/titulo.xhtml ...
Parsing OEBPS/Text/Section0002.xhtml ...
Parsing OEBPS/Text/Section0014.xhtml ...
Parsing OEBPS/Text/autor.xhtml ...
Parsing OEBPS/Text/Section0003.xhtml ...
Parsing OEBPS/Styles/style.css ...
Parsing OEBPS/Text/Section0015.xhtml ...
Parsing OEBPS/Text/Section0010.xhtml ...
Parsing OEBPS/Text/notas.xhtml ...
Parsing OEBPS/Text/Section0008.xhtml ...
Parsing OEBPS/Text/Khariel.htm ...
Parsing OEBPS/Text/Section0016.xhtml ...
Parsing OEBPS/Text/Section0017.xhtml ...
Parsing OEBPS/Text/cubierta.xhtml ...
Parsing OEBPS/Text/Section0009.xhtml ...
Parsing OEBPS/Text/Section0011.xhtml ...
Reading TOC from NCX...
Merging user specified metadata...
Detecting structure...
Flattening CSS and remapping font sizes...
Source base font size is 12.00000pt
Removing fake margins...
Found 90 items of level: p_2
Found 2502 items of level: p_1
Found 38 items of level: div_1
p_2 left margin stats: Counter({u'0': 90})
p_2 right margin stats: Counter({u'0': 90})
p_1 left margin stats: Counter({u'0': 2501, u'1.5em': 1})
p_1 right margin stats: Counter({u'0': 2501, u'1.5em': 1})
div_1 left margin stats: Counter({u'1.5em': 5, u'': 1, u'0.5em': 1, u'2em': 1})
div_1 right margin stats: Counter({u'1.5em': 5, u'': 1, u'0.5em': 1, u'2em': 1})
Cleaning up manifest...
Trimming unused files from manifest...
Trimming u'OEBPS/Images/EPL_logo.png' from manifest
Trimming u'OEBPS/Text/cubierta.xhtml' from manifest
Creating KePub Output...
Rescaling image from 1087x1600 to 805x1186 cover.jpeg
Splitting markup on page breaks and flow limits, if any...
Looking for large trees in OEBPS/Text/dedicatoria.xhtml...
No large trees found
Looking for large trees in OEBPS/Text/Section0004.xhtml...
No large trees found
Looking for large trees in OEBPS/Text/Section0018.xhtml...
No large trees found
Looking for large trees in OEBPS/Text/Section0005.xhtml...
No large trees found
Looking for large trees in OEBPS/Text/Section0012.xhtml...
No large trees found
Looking for large trees in OEBPS/Text/sinopsis.xhtml...
No large trees found
Looking for large trees in OEBPS/Text/Section0001.xhtml...
No large trees found
Looking for large trees in OEBPS/Text/Section0006.xhtml...
No large trees found
Looking for large trees in OEBPS/Text/Section0013.xhtml...
No large trees found
Looking for large trees in OEBPS/Text/info.xhtml...
No large trees found
Looking for large trees in OEBPS/Text/Section0007.xhtml...
No large trees found
Looking for large trees in OEBPS/Text/titulo.xhtml...
No large trees found
Looking for large trees in OEBPS/Text/Section0002.xhtml...
No large trees found
Looking for large trees in OEBPS/Text/Section0014.xhtml...
No large trees found
Looking for large trees in OEBPS/Text/autor.xhtml...
No large trees found
Looking for large trees in OEBPS/Text/Section0003.xhtml...
No large trees found
Looking for large trees in OEBPS/Text/Section0015.xhtml...
No large trees found
Looking for large trees in OEBPS/Text/Section0010.xhtml...
No large trees found
Splitting on page-break at id=calibre_pb_0
Splitting on page-break at id=calibre_pb_1
Splitting on page-break at id=calibre_pb_2
Splitting on page-break at id=calibre_pb_3
Splitting on page-break at id=calibre_pb_4
Splitting on page-break at id=calibre_pb_5
Splitting on page-break at id=calibre_pb_6
Looking for large trees in OEBPS/Text/notas.xhtml...
No large trees found
Split into 8 parts
Looking for large trees in OEBPS/Text/Section0008.xhtml...
No large trees found
Looking for large trees in OEBPS/Text/Khariel.htm...
No large trees found
Looking for large trees in OEBPS/Text/Section0016.xhtml...
No large trees found
Looking for large trees in OEBPS/Text/Section0017.xhtml...
No large trees found
Looking for large trees in OEBPS/Text/Section0009.xhtml...
No large trees found
Looking for large trees in OEBPS/Text/Section0011.xhtml...
No large trees found
Copying file 'C:\Users\JESS~1\AppData\Local\Temp\calibre_hw_bzp \4yajod_KePubOutputPluginInfo' to 'C:\Users\JESS~1\AppData\Local\Temp\calibre_hw_bzp \csux3l_epub_container' as 'plugininfo.kte'
{'clean_markup': True, 'extended_kepub_features': True, 'smarten_punctuation': False, 'no-hyphens': False, 'replace_lang': True, 'hyphenate': True}
KoboTouchExtended:common:modify_epub:Found cover image ID 'cover'
KoboTouchExtended:common:modify_epub:Setting cover-image property
Forcing cleanup for file OEBPS/Text/Khariel.htm
Forcing cleanup for file OEBPS/Text/Section0001.xhtml
Forcing cleanup for file OEBPS/Text/Section0002.xhtml
Forcing cleanup for file OEBPS/Text/Section0003.xhtml
Forcing cleanup for file OEBPS/Text/Section0004.xhtml
Forcing cleanup for file OEBPS/Text/Section0005.xhtml
Forcing cleanup for file OEBPS/Text/Section0006.xhtml
Forcing cleanup for file OEBPS/Text/Section0007.xhtml
Forcing cleanup for file OEBPS/Text/Section0008.xhtml
Forcing cleanup for file OEBPS/Text/Section0009.xhtml
Forcing cleanup for file OEBPS/Text/Section0010.xhtml
Forcing cleanup for file OEBPS/Text/Section0011.xhtml
Forcing cleanup for file OEBPS/Text/Section0012.xhtml
Forcing cleanup for file OEBPS/Text/Section0013.xhtml
Forcing cleanup for file OEBPS/Text/Section0014.xhtml
Forcing cleanup for file OEBPS/Text/Section0015.xhtml
Forcing cleanup for file OEBPS/Text/Section0016.xhtml
Forcing cleanup for file OEBPS/Text/Section0017.xhtml
Forcing cleanup for file OEBPS/Text/Section0018.xhtml
Forcing cleanup for file OEBPS/Text/autor.xhtml
Forcing cleanup for file OEBPS/Text/dedicatoria.xhtml
Forcing cleanup for file OEBPS/Text/info.xhtml
Forcing cleanup for file OEBPS/Text/notas_split_000.xhtml
Forcing cleanup for file OEBPS/Text/notas_split_001.xhtml
Forcing cleanup for file OEBPS/Text/notas_split_002.xhtml
Forcing cleanup for file OEBPS/Text/notas_split_003.xhtml
Forcing cleanup for file OEBPS/Text/notas_split_004.xhtml
Forcing cleanup for file OEBPS/Text/notas_split_005.xhtml
Forcing cleanup for file OEBPS/Text/notas_split_006.xhtml
Forcing cleanup for file OEBPS/Text/notas_split_007.xhtml
Forcing cleanup for file OEBPS/Text/sinopsis.xhtml
Forcing cleanup for file OEBPS/Text/titulo.xhtml
Forcing cleanup for file titlepage.xhtml
Cleaning markup for file OEBPS/Text/Khariel.htm
Cleaning markup for file OEBPS/Text/Section0001.xhtml
Cleaning markup for file OEBPS/Text/Section0002.xhtml
Cleaning markup for file OEBPS/Text/Section0003.xhtml
Cleaning markup for file OEBPS/Text/Section0004.xhtml
Cleaning markup for file OEBPS/Text/Section0005.xhtml
Cleaning markup for file OEBPS/Text/Section0006.xhtml
Cleaning markup for file OEBPS/Text/Section0007.xhtml
Cleaning markup for file OEBPS/Text/Section0008.xhtml
Cleaning markup for file OEBPS/Text/Section0009.xhtml
Cleaning markup for file OEBPS/Text/Section0010.xhtml
Cleaning markup for file OEBPS/Text/Section0011.xhtml
Cleaning markup for file OEBPS/Text/Section0012.xhtml
Cleaning markup for file OEBPS/Text/Section0013.xhtml
Cleaning markup for file OEBPS/Text/Section0014.xhtml
Cleaning markup for file OEBPS/Text/Section0015.xhtml
Cleaning markup for file OEBPS/Text/Section0016.xhtml
Cleaning markup for file OEBPS/Text/Section0017.xhtml
Cleaning markup for file OEBPS/Text/Section0018.xhtml
Cleaning markup for file OEBPS/Text/autor.xhtml
Cleaning markup for file OEBPS/Text/dedicatoria.xhtml
Cleaning markup for file OEBPS/Text/info.xhtml
Cleaning markup for file OEBPS/Text/notas_split_000.xhtml
Cleaning markup for file OEBPS/Text/notas_split_001.xhtml
Cleaning markup for file OEBPS/Text/notas_split_002.xhtml
Cleaning markup for file OEBPS/Text/notas_split_003.xhtml
Cleaning markup for file OEBPS/Text/notas_split_004.xhtml
Cleaning markup for file OEBPS/Text/notas_split_005.xhtml
Cleaning markup for file OEBPS/Text/notas_split_006.xhtml
Cleaning markup for file OEBPS/Text/notas_split_007.xhtml
Cleaning markup for file OEBPS/Text/sinopsis.xhtml
Cleaning markup for file OEBPS/Text/titulo.xhtml
Cleaning markup for file titlepage.xhtml
Copying file 'C:\Users\JESS~1\AppData\Local\Temp\calibre_hw_bzp \kepub_hs3wly_hyphenate' to 'C:\Users\JESS~1\AppData\Local\Temp\calibre_hw_bzp \csux3l_epub_container' as 'kte-css/hyphenation.css'
Adding reference to kte-css/hyphenation.css to file OEBPS/Text/Khariel.htm
C:\Program Files\Calibre2\pylib.zip\ntpath.py:532: UnicodeWarning: Unicode unequal comparison failed to convert both arguments to Unicode - interpreting them as being unequal
Python function terminated unexpectedly
All strings must be XML compatible: Unicode or ASCII, no NULL bytes or control characters (Error Code: 1)
Traceback (most recent call last):
File "site.py", line 132, in main
File "site.py", line 109, in run_entry_point
File "site-packages\calibre\utils\ipc\worker.py", line 193, in main
File "site-packages\calibre\gui2\convert\gui_conversion.py", line 31, in gui_convert_override
File "site-packages\calibre\gui2\convert\gui_conversion.py", line 25, in gui_convert
File "site-packages\calibre\ebooks\conversion\plumber.py", line 1207, in run
File "calibre_plugins.kepubout.conversion.kepub_output" , line 100, in convert
File "calibre_plugins.kepubout.common", line 82, in modify_epub
File "calibre_plugins.kepubout.container", line 158, in add_content_file_reference
File "lxml.etree.pyx", line 1445, in lxml.etree._Element.makeelement (src\lxml\lxml.etree.c:49848)
File "apihelpers.pxi", line 133, in lxml.etree._makeElement (src\lxml\lxml.etree.c:14869)
File "apihelpers.pxi", line 121, in lxml.etree._makeElement (src\lxml\lxml.etree.c:14748)
File "apihelpers.pxi", line 268, in lxml.etree._initNodeAttributes (src\lxml\lxml.etree.c:16296)
File "apihelpers.pxi", line 290, in lxml.etree._addAttributeToNode (src\lxml\lxml.etree.c:16701)
File "apihelpers.pxi", line 1395, in lxml.etree._utf8 (src\lxml\lxml.etree.c:26485)
ValueError: All strings must be XML compatible: Unicode or ASCII, no NULL bytes or control characters