[pscynthetiq]

I get this error when trying to create an epub catalog. Same thing for a MOBI. I can make one that is CSV without issue. I really would like to make one that is an EPUB. Do I have a wrong setting?

calibre, version 0.7.50
ERROR: Conversion Error: <b>Failed</b>: Generate catalog

Generate catalog
 Sections: Authors, Titles, Series, Genres, Recently Added, Descriptions
Catalog_EPUB_MOBI(): Generating epub for sony in GUI environment
 connected_device: 'None'
 book count: 10917
 opts:
  authorClip: 100
  catalog_title: u'Entire Catalog Listing'
  connected_kindle: False
  descriptionClip: 380
  exclude_book_marker: u':'
  exclude_genre: u'\\[.+\\]'
  exclude_tags: u'~,Catalog'
  header_note_source_field: ''
  merge_comments: '::True'
  output_profile: 'sony'
  read_book_marker: u'#date_read:+'
  search_text: None
  sort_by: None
  sort_descriptions_by_author: True
  sync: False
  thumb_width: '1.00'
  wishlist_tag: u'Wishlist'
Python function terminated unexpectedly
  File is not a zip file (Error Code: 1)
Traceback (most recent call last):
  File "site.py", line 103, in main
  File "site.py", line 85, in run_entry_point
  File "site-packages\calibre\utils\ipc\worker.py", line 110, in main
  File "site-packages\calibre\gui2\convert\gui_conversion.py", line 68, in gui_catalog
  File "site-packages\calibre\library\catalog.py", line 5070, in run
  File "site-packages\calibre\library\catalog.py", line 1033, in __init__
  File "site-packages\calibre\utils\zipfile.py", line 734, in __init__
  File "site-packages\calibre\utils\zipfile.py", line 755, in _GetContents
  File "site-packages\calibre\utils\zipfile.py", line 767, in _RealGetContents
calibre.utils.zipfile.BadZipfile: File is not a zip file