calibre, version 5.24.0 (darwin, embedded-python: True)
Conversion error: Failed: Convert book 1 of 1 (Taming a Bear)

Convert book 1 of 1 (Taming a Bear)
DeDRM v7.2.1: Trying to decrypt q9chpukn.azw3
Using Library AlfCrypto Python
Using Library AlfCrypto Python
MobiDeDrm v1.0.
Copyright © 2008-2020 The Dark Reverser, Apprentice Harper et al.
Decrypting Kindle Format 8 ebook: Taming a Bear (A Lion's Pride Book 11)
Got DSN key from database default_key
Got DSN key from database default_key_2
Found 4 keys to try after 0.2 seconds
Crypto Type is: 0
This book is not encrypted.
Decryption succeeded after 0.2 seconds
DeDRM v7.2.1: Finished after 0.2 seconds
Conversion options changed from defaults:
  output_profile: 'kobo'
  read_metadata_from_opf: '/var/folders/yv/jnrf0fkn0ys32gpvls1f9x2c0000gp/C/calibre_5.24.0_tmp_uzrkqz47/t1bvm0f5.opf'
  page_breaks_before: '/'
  verbose: 2
  cover: '/var/folders/yv/jnrf0fkn0ys32gpvls1f9x2c0000gp/C/calibre_5.24.0_tmp_uzrkqz47/t8ccbtxs.jpeg'
Resolved conversion options
calibre version: 5.24.0
{'asciiize': False,
 'author_sort': None,
 'authors': None,
 'base_font_size': 0.0,
 'book_producer': None,
 'change_justification': 'original',
 'chapter': "//*[((name()='h1' or name()='h2') and re:test(., "
            "'\\s*((chapter|book|section|part)\\s+)|((prolog|prologue|epilogue)(\\s+|$))', "
            "'i')) or @class = 'chapter']",
 'chapter_mark': 'pagebreak',
 'comments': None,
 'cover': '/var/folders/yv/jnrf0fkn0ys32gpvls1f9x2c0000gp/C/calibre_5.24.0_tmp_uzrkqz47/t8ccbtxs.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,
 'epub_version': '3',
 'expand_css': False,
 'extra_css': None,
 'extract_to': None,
 'filter_css': '',
 'fix_indents': True,
 'flow_size': 260,
 'font_size_mapping': None,
 'format_scene_breaks': True,
 'html_unwrap_factor': 0.4,
 'input_encoding': None,
 'input_profile': <calibre.customize.profiles.InputProfile object at 0x110d61670>,
 '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_hyphenate_chars': 6,
 'kepub_hyphenate_chars_after': 3,
 'kepub_hyphenate_chars_before': 3,
 'kepub_hyphenate_limit_lines': 2,
 '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': <calibre.customize.profiles.KoboReaderOutput object at 0x110d61ca0>,
 'page_breaks_before': '/',
 'prefer_metadata_cover': False,
 'preserve_cover_aspect_ratio': False,
 'pretty_print': True,
 'pubdate': None,
 'publisher': None,
 'rating': None,
 'read_metadata_from_opf': '/var/folders/yv/jnrf0fkn0ys32gpvls1f9x2c0000gp/C/calibre_5.24.0_tmp_uzrkqz47/t1bvm0f5.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': '',
 '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,
 'transform_css_rules': '[]',
 'unsmarten_punctuation': False,
 'unwrap_lines': True,
 'use_auto_toc': False,
 'verbose': 2}
DeDRM v7.2.1: Trying to decrypt w2exam1u.azw3
MobiDeDrm v1.0.
Copyright © 2008-2020 The Dark Reverser, Apprentice Harper et al.
Decrypting Kindle Format 8 ebook: Taming a Bear (A Lion's Pride Book 11)
Got DSN key from database default_key
Got DSN key from database default_key_2
Found 4 keys to try after 0.0 seconds
Crypto Type is: 0
This book is not encrypted.
Decryption succeeded after 0.0 seconds
DeDRM v7.2.1: Finished after 0.0 seconds
InputFormatPlugin: MOBI Input running
on /var/folders/yv/jnrf0fkn0ys32gpvls1f9x2c0000gp/C/calibre_5.24.0_tmp_uzrkqz47/2rk_q9p6.azw3
Found KF8 MOBI of type 'standalone'
Extracting text...
Parsing all content...
Parsing text/part0003.html ...
Parsing text/part0018.html ...
Parsing text/part0013.html ...
Parsing text/part0008.html ...
Parsing text/part0006.html ...
Parsing text/part0016.html ...
Parsing text/part0020.html ...
Parsing text/part0015.html ...
Parsing styles/0001.css ...
Parsing text/part0022.html ...
Parsing text/part0009.html ...
Parsing text/part0012.html ...
Parsing text/part0010.html ...
Parsing text/part0021.html ...
Parsing styles/0002.css ...
Parsing text/part0023.html ...
Parsing text/part0014.html ...
Parsing text/part0004.html ...
Parsing text/part0011.html ...
Parsing text/part0017.html ...
Parsing text/part0019.html ...
Parsing text/part0002.html ...
Parsing text/part0005.html ...
Parsing text/part0007.html ...
Parsing text/part0001.html ...
Parsing text/part0000.html ...
Reading TOC from NCX...
Merging user specified metadata...
Detecting structure...
	Detected chapter: Chapter One
	Detected chapter: Chapter Two
	Detected chapter: Chapter Three
	Detected chapter: Chapter Four
	Detected chapter: Chapter Five
	Detected chapter: Chapter Six
	Detected chapter: Chapter Seven
	Detected chapter: Chapter Eight
	Detected chapter: Chapter Nine
	Detected chapter: Chapter Ten
	Detected chapter: Chapter Eleven
	Detected chapter: Chapter Twelve
	Detected chapter: Chapter Thirteen
	Detected chapter: Chapter Fourteen
	Detected chapter: Chapter Fifteen
	Detected chapter: Chapter Sixteen
	Detected chapter: Chapter Seventeen
	Detected chapter: Epilogue
Flattening CSS and remapping font sizes...
Source base font size is 12.00000pt
Removing fake margins...
Found 24 items of level: div_1
Found 46 items of level: div_2
Found 41 items of level: div_3
Found 58 items of level: div_4
Found 2142 items of level: p_3
Found 30 items of level: p_5
Found 2 items of level: p_4
Found 42 items of level: div_5
Ignoring level p_4
div_1  left margin stats: Counter({'': 22, '2%': 1})
div_1  right margin stats: Counter({'': 22, '2%': 1})
div_2  left margin stats: Counter({'': 22, '6%': 1})
div_2  right margin stats: Counter({'': 22, '6%': 1})
div_3  left margin stats: Counter({'': 41})
div_3  right margin stats: Counter({'': 41})
div_4  left margin stats: Counter({'': 51, '12.5%': 6, '25%': 1})
div_4  right margin stats: Counter({'': 51, '12.5%': 6, '25%': 1})
p_3  left margin stats: Counter({'0': 2124, '': 18})
p_3  right margin stats: Counter({'0': 2124, '': 18})
Negative text indent detected at level  p_5, ignoring this level
div_5  left margin stats: Counter({'': 42})
div_5  right margin stats: Counter({'': 42})
Cleaning up manifest...
Trimming unused files from manifest...
Trimming 'images/00006.jpeg' from manifest
Creating KePub Output...
2021-08-04 17:21:34 [DEBUG] Running ePub conversion
Rescaling image from 501x751 to 458x686 images/00008.jpeg
Rescaling image from 566x566 to 512x512 images/00009.jpeg
Rescaling image from 566x566 to 512x512 images/00003.jpeg
Rescaling image from 501x751 to 458x686 cover.jpeg
Rescaling image from 566x199 to 512x180 images/00012.jpeg
Rescaling image from 566x422 to 512x382 images/00001.jpeg
Rescaling image from 566x283 to 512x256 images/00004.jpeg
Splitting markup on page breaks and flow limits, if any...
	Looking for large trees in text/part0003.html...
	No large trees found
	Looking for large trees in text/part0018.html...
	No large trees found
	Looking for large trees in text/part0013.html...
	No large trees found
	Looking for large trees in text/part0008.html...
	No large trees found
	Looking for large trees in text/part0006.html...
	No large trees found
	Looking for large trees in text/part0016.html...
	No large trees found
	Looking for large trees in text/part0020.html...
	No large trees found
	Looking for large trees in text/part0015.html...
	No large trees found
	Looking for large trees in text/part0022.html...
	No large trees found
	Looking for large trees in text/part0009.html...
	No large trees found
	Looking for large trees in text/part0012.html...
	No large trees found
	Looking for large trees in text/part0010.html...
	No large trees found
	Looking for large trees in text/part0021.html...
	No large trees found
	Looking for large trees in text/part0023.html...
	No large trees found
	Looking for large trees in text/part0014.html...
	No large trees found
	Looking for large trees in text/part0004.html...
	No large trees found
	Looking for large trees in text/part0011.html...
	No large trees found
	Looking for large trees in text/part0017.html...
	No large trees found
	Looking for large trees in text/part0019.html...
	No large trees found
	Looking for large trees in text/part0002.html...
	No large trees found
	Looking for large trees in text/part0005.html...
	No large trees found
	Looking for large trees in text/part0007.html...
	No large trees found
	Looking for large trees in text/part0001.html...
	No large trees found
	Looking for large trees in text/part0000.html...
	No large trees found
2021-08-04 17:21:34 [DEBUG] Removing anchor from TOC href: 
2021-08-04 17:21:34 [DEBUG] Removing anchor from TOC href: 
2021-08-04 17:21:34 [DEBUG] Removing anchor from TOC href: 
2021-08-04 17:21:34 [DEBUG] Removing anchor from TOC href: 
2021-08-04 17:21:34 [DEBUG] Removing anchor from TOC href: 
2021-08-04 17:21:34 [DEBUG] Removing anchor from TOC href: 
2021-08-04 17:21:34 [DEBUG] Removing anchor from TOC href: 
2021-08-04 17:21:34 [DEBUG] Removing anchor from TOC href: 
2021-08-04 17:21:34 [DEBUG] Removing anchor from TOC href: 
2021-08-04 17:21:34 [DEBUG] Removing anchor from TOC href: 
2021-08-04 17:21:34 [DEBUG] Removing anchor from TOC href: 
2021-08-04 17:21:34 [DEBUG] Removing anchor from TOC href: 
2021-08-04 17:21:34 [DEBUG] Removing anchor from TOC href: 
2021-08-04 17:21:34 [DEBUG] Removing anchor from TOC href: 
2021-08-04 17:21:34 [DEBUG] Removing anchor from TOC href: 
2021-08-04 17:21:34 [DEBUG] Removing anchor from TOC href: 
2021-08-04 17:21:34 [DEBUG] Removing anchor from TOC href: 
2021-08-04 17:21:34 [DEBUG] Removing anchor from TOC href: 
2021-08-04 17:21:34 [DEBUG] Removing anchor from TOC href: 
2021-08-04 17:21:34 [DEBUG] Removing anchor from TOC href: 
2021-08-04 17:21:34 [DEBUG] Removing anchor from TOC href: 
2021-08-04 17:21:34 [DEBUG] Removing anchor from TOC href: 
2021-08-04 17:21:34 [DEBUG] Removing anchor from TOC href: 
2021-08-04 17:21:34 [INFO] Upgrading to EPUB 3...
2021-08-04 17:21:35 [DEBUG] Encrypting font: 
2021-08-04 17:21:35 [DEBUG] Done ePub conversion
Traceback (most recent call last):
  File "runpy.py", line 194, in _run_module_as_main
  File "runpy.py", line 87, in _run_code
  File "site.py", line 39, in <module>
  File "site.py", line 35, in main
  File "calibre/utils/ipc/worker.py", line 216, in main
  File "calibre/gui2/convert/gui_conversion.py", line 41, in gui_convert_override
  File "calibre/gui2/convert/gui_conversion.py", line 28, in gui_convert
  File "calibre/ebooks/conversion/plumber.py", line 1271, in run
  File "calibre_plugins.kepubout.conversion.kepub_output", line 150, in convert
  File "calibre_plugins.kepubout.container", line 115, in __init__
  File "calibre/ebooks/oeb/polish/container.py", line 1227, in __init__
  File "calibre/ebooks/oeb/polish/container.py", line 1344, in process_encryption
calibre.ebooks.oeb.polish.container.ObfuscationKeyMissing: Failed to find obfuscation key