File conversion fail Windows 10

Convert book 1 of 1 (Frankenstein)
Resolved conversion options
calibre version: 2.64.0
{'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\\Nikhil\\AppData\\Local\\Temp\\calibre_uj9l2m\\0qiald.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': <calibre.customize.profiles.InputProfile object at 0x046FFE30>,
 '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_default_epub_cover': False,
 'no_inline_navbars': False,
 'no_svg_cover': False,
 'output_profile': <calibre.customize.profiles.KindleOutput object at 0x047061B0>,
 '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\\Nikhil\\AppData\\Local\\Temp\\calibre_uj9l2m\\c7uzve.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': '[]',
 'unsmarten_punctuation': False,
 'unwrap_lines': True,
 'use_auto_toc': False,
 'verbose': 2}
InputFormatPlugin: EPUB Input running
on C:\Users\Nikhil\AppData\Local\Temp\calibre_uj9l2m\skkijg.epub
Found HTML cover OEBPS/Text/Cover.xhtml
Parsing all content...
Parsing OEBPS/Text/Chapter09.xhtml ...
Parsing OEBPS/Text/Chapter10.xhtml ...
Parsing OEBPS/Text/Chapter11.xhtml ...
Parsing OEBPS/Text/Chapter18.xhtml ...
Parsing OEBPS/Text/Chapter19.xhtml ...
Parsing OEBPS/Text/Chapter20.xhtml ...
Parsing OEBPS/Text/Chapter12.xhtml ...
Parsing OEBPS/Text/Chapter13.xhtml ...
Parsing OEBPS/Text/Chapter14.xhtml ...
Parsing OEBPS/Text/Chapter24.xhtml ...
Parsing OEBPS/Text/Letter01.xhtml ...
Parsing OEBPS/Text/Chapter08.xhtml ...
Parsing OEBPS/Text/Chapter16.xhtml ...
Parsing OEBPS/Text/Chapter17.xhtml ...
Parsing OEBPS/Text/Chapter21.xhtml ...
Parsing OEBPS/Text/Chapter22.xhtml ...
Parsing OEBPS/Styles/Stil.css ...
Parsing OEBPS/Text/Chapter23.xhtml ...
Parsing OEBPS/Text/Chapter15.xhtml ...
Parsing OEBPS/Text/Chapter05.xhtml ...
Parsing OEBPS/Text/Chapter25.xhtml ...
Parsing OEBPS/Text/Cover.xhtml ...
Parsing OEBPS/Text/Chapter07.xhtml ...
Parsing OEBPS/Text/Title.xhtml ...
Parsing OEBPS/Text/Letter02.xhtml ...
Parsing OEBPS/Text/Letter03.xhtml ...
Parsing OEBPS/Text/Letter04.xhtml ...
Parsing OEBPS/Text/Chapter01.xhtml ...
Parsing OEBPS/Text/Chapter02.xhtml ...
Parsing OEBPS/Text/Chapter03.xhtml ...
Parsing OEBPS/Text/Chapter04.xhtml ...
Parsing OEBPS/Text/Chapter06.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 677 items of level: p_1
Found 33 items of level: p_2
Found 3 items of level: div_1
p_1  left margin stats: Counter({u'0': 674, u'3em': 3})
p_1  right margin stats: Counter({u'0': 671, u'3em': 3, u'1em': 3})
p_2  left margin stats: Counter({u'0': 33})
p_2  right margin stats: Counter({u'0': 30, u'1em': 3})
div_1  left margin stats: Counter({u'2em': 3})
div_1  right margin stats: Counter({u'2em': 3})
Removing level div_1 left margin of: 2em
Removing level div_1 right margin of: 2em
Cleaning up manifest...
Trimming unused files from manifest...
Trimming u'OEBPS/Text/Cover.xhtml' from manifest
Creating KFX Output...
Software versions: KFX Output 1.1.2, calibre 2.64, Windows-8-6.2.9200
KFX Output plugin help is available at http://www.mobileread.com/forums/showthread.php?t=272407

Rescaling image from 600x800 to 462x616 cover.jpeg
Splitting markup on page breaks and flow limits, if any...
	Looking for large trees in OEBPS/Text/Chapter09.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Chapter10.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Chapter11.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Chapter18.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Chapter19.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Chapter20.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Chapter12.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Chapter13.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Chapter14.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Chapter24.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Letter01.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Chapter08.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Chapter16.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Chapter17.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Chapter21.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Chapter22.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Chapter23.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Chapter15.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Chapter05.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Chapter25.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Chapter07.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Title.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Letter02.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Letter03.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Letter04.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Chapter01.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Chapter02.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Chapter03.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Chapter04.xhtml...
	No large trees found
	Looking for large trees in OEBPS/Text/Chapter06.xhtml...
	No large trees found
Successfully converted input format to EPUB
Converting "C:\Users\Nikhil\AppData\Local\Temp\calibre_uj9l2m\ux7yuh.epub" to KDF/KPF
Launching Kindle Previewer EpubToKFXConverter
Successfully converted EPUB to KPF/KDF
Processing container: C:/Users/Nikhil/AppData/Local/Temp/calibre_uj9l2m/hhk9zc.kpf:resources/book.kdf
WARNING: Import YJ_symbols symbol table max_id 667 exceeds highest known ID of 664
Python function terminated unexpectedly
  unexpected fragment type: {symbol}1 (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 190, 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 1222, in run
  File "calibre_plugins.kfx_output.__init__", line 62, in convert
  File "calibre_plugins.kfx_output.__init__", line 122, in convert_from_epub
  File "calibre_plugins.kfx_output.__init__", line 139, in convert_from_kpf
  File "calibre_plugins.kfx_output.kfxlib.yj_book", line 30, in convert_to_single_kfx
  File "calibre_plugins.kfx_output.kfxlib.yj_book", line 40, in decode_fragments
  File "calibre_plugins.kfx_output.kfxlib.yj_book", line 95, in get_container
  File "calibre_plugins.kfx_output.kfxlib.kdf_container", line 133, in deserialize
Exception: unexpected fragment type: {symbol}1