Error when trying to convert .azw3 to .pdf

[Joshlucpoll]

Hi,
I'm trying to convert a Kindle book from .azw3 to .pdf, however when I do this I get the following error:

calibre, version 4.2.0 (win32, embedded-python: True)
Conversion error: Failed: Convert book 1 of 1 (MEI A Level Mathematics Year 1 (AS) 4th Edition)

Convert book 1 of 1 (MEI A Level Mathematics Year 1 (AS) 4th Edition)
Conversion options changed from defaults:
  read_metadata_from_opf: u'C:\\Users\\joshu\\AppData\\Local\\Temp\\calibre_ws02vq\\euyaej.opf'
  pdf_serif_family: u'MS Shell Dlg 2'
  verbose: 2
  pdf_sans_family: u'MS Shell Dlg 2'
  cover: u'C:\\Users\\joshu\\AppData\\Local\\Temp\\calibre_ws02vq\\24slir.jpeg'
  output_profile: u'kindle'
Resolved conversion options
calibre version: 4.2.0
{'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|prologue|epilogue)(\\s+|$))', 'i')) or @class = 'chapter']",
 'chapter_mark': u'pagebreak',
 'comments': None,
 'cover': u'C:\\Users\\joshu\\AppData\\Local\\Temp\\calibre_ws02vq\\24slir.jpeg',
 'custom_size': None,
 'debug_pipeline': None,
 'dehyphenate': True,
 'delete_blank_paragraphs': True,
 'disable_font_rescaling': False,
 'duplicate_links_in_toc': False,
 'embed_all_fonts': False,
 'embed_font_family': None,
 'enable_heuristics': False,
 'expand_css': False,
 'extra_css': None,
 'filter_css': u'',
 'fix_indents': True,
 'font_size_mapping': None,
 'format_scene_breaks': True,
 'html_unwrap_factor': 0.4,
 'input_encoding': None,
 'input_profile': <calibre.customize.profiles.InputProfile object at 0x05568070>,
 'insert_blank_line': False,
 'insert_blank_line_size': 0.5,
 'insert_metadata': False,
 'isbn': None,
 'italicize_common_cases': True,
 'keep_ligatures': False,
 '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_inline_navbars': False,
 'output_profile': <calibre.customize.profiles.KindleOutput object at 0x055683D0>,
 'page_breaks_before': u"//*[name()='h1' or name()='h2']",
 'paper_size': u'letter',
 'pdf_add_toc': False,
 'pdf_default_font_size': 20,
 'pdf_footer_template': None,
 'pdf_header_template': None,
 'pdf_hyphenate': False,
 'pdf_mark_links': False,
 'pdf_mono_family': u'Courier',
 'pdf_mono_font_size': 16,
 'pdf_page_margin_bottom': 72.0,
 'pdf_page_margin_left': 72.0,
 'pdf_page_margin_right': 72.0,
 'pdf_page_margin_top': 72.0,
 'pdf_page_number_map': None,
 'pdf_page_numbers': False,
 'pdf_sans_family': u'MS Shell Dlg 2',
 'pdf_serif_family': u'MS Shell Dlg 2',
 'pdf_standard_font': u'serif',
 'pdf_use_document_margins': False,
 'prefer_metadata_cover': False,
 'preserve_cover_aspect_ratio': False,
 'pretty_print': False,
 'pubdate': None,
 'publisher': None,
 'rating': None,
 'read_metadata_from_opf': u'C:\\Users\\joshu\\AppData\\Local\\Temp\\calibre_ws02vq\\euyaej.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,
 'transform_css_rules': '[]',
 'uncompressed_pdf': False,
 'unit': u'inch',
 'unsmarten_punctuation': False,
 'unwrap_lines': True,
 'use_auto_toc': False,
 'use_profile_size': False,
 'verbose': 2}
InputFormatPlugin: MOBI Input running
on C:\Users\joshu\AppData\Local\Temp\calibre_ws02vq\mhnrmu.azw3
Found KF8 MOBI of type u'standalone'
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Referenced file u'styles/XXXXXXXXXXXXXXXX' not found
Reading TOC from NCX...
Merging user specified metadata...
Detecting structure...
Flattening CSS and remapping font sizes...
Source base font size is 12.14783pt
P

Help would be greatly appreciated

[kovidgoyal]

is that the full log? and what operating system are you on?

[theducks]

and in the middle of that log.

Referenced file u'styles/XXXXXXXXXXXXXXXX' not found

Someone still has a CSS placeholder in that book. ???
Successful conversions depend on having a valid starting source.
GIGO. Kovid has done a really good job of making Calibre tolerate less than perfect sources.

[Joshlucpoll]

Originally Posted by kovidgoyal

is that the full log? and what operating system are you on?

I'm on Window 10, and the log I posted was from the error window that popped up when the conversion failed - I copied all of it. I'm not sure if you're referring to a different log when you say the full log?

[Joshlucpoll]

Originally Posted by theducks

and in the middle of that log.


Someone still has a CSS placeholder in that book. ???
Successful conversions depend on having a valid starting source.
GIGO. Kovid has done a really good job of making Calibre tolerate less than perfect sources.

I got this book from Amazon and went through the steps of removing the DRM from it using DeDRM plugin. I added the serial number of my Kindle to the plugin and then imported the book from it. The DRM seemed to be removed as I could now view it, but when I try to convert it to any other format (I've tried online converters) it always failed.
Could the CSS placeholders be from the DeDRM plugin?

[theducks]

Originally Posted by Joshlucpoll

I'm on Window 10, and the log I posted was from the error window that popped up when the conversion failed - I copied all of it. I'm not sure if you're referring to a different log when you say the full log?

There is a Debug Log IF you start Calibre in 'debug mode'.
(there is a shortcut: ctrl+shift+R to do this. There will be a message when Calibre restarts with WHAT the logs name-location will be. )

[Joshlucpoll]

I looked at the debug log and saw that there was a memory error, so I installed 64bit version of calibre and tried to convert it and it worked - so it's solved!

[theducks]

Originally Posted by Joshlucpoll

I looked at the debug log and saw that there was a memory error, so I installed 64bit version of calibre and tried to convert it and it worked - so it's solved!

You might Validate (and fix) the original using the Calibre editor