[vikischeldrup]

This error comes up every! time I am trying to save to disk. I haven't been able to find an answer I can understand by searching google and even here - please help? I just installed 2.13 and am thinking I should go back to an older build?
Viki

calibre 2.13 isfrozen: True is64bit: False
Windows-Vista-6.0.6002-SP2 Windows ('32bit', 'WindowsPE')
32bit process running on 64bit windows
('Windows', 'Vista', '6.0.6002')
Python 2.7.8
Windows: ('Vista', '6.0.6002', 'SP2', 'Multiprocessor Free')
Successfully initialized third party plugins: DeDRM && KindleUnpack - The Plugin && FanFictionDownLoader && Reading List && Import List && Find Duplicates && Fantastic Fiction && Open With && Generate Cover && User Category && ANOBII && Save To Format && Kindle Collections && EpubMerge && Search The Internet && Temp Marker && BigOven Recipe Reader && Ex Libris && Similar Stories && Favourites Menu && SmartEject && FictionDB && Walk Search History && Modify ePub && Barnes & Noble && Goodreads && EpubSplit && Quick Preferences && food network Recipe Reader && Goodreads Sync && Wiki Reader && View Manager && Webscription && Clipboard Search && Quality Check && Manage Series
Traceback (most recent call last):
File "site-packages\calibre\gui2\save.py", line 104, in tick
File "site-packages\calibre\gui2\save.py", line 313, in do_one_update
File "site-packages\calibre\gui2\save.py", line 321, in updating_metadata_finished
File "site-packages\calibre\gui2\save.py", line 371, in report
File "site-packages\calibre\gui2\save.py", line 334, in format_report
File "site-packages\calibre\gui2\save.py", line 334, in <setcomp>
ValueError: too many values to unpack