[jpasarela]

I'm getting an error trying to convert a Lit file.

AttributeError: 'NoneType' object has no attribute 'lower'
Failed to perform job: Convert book:C:/Documents and Settings/Joe/My Documents/My Library/SUBTLEKNIFE.lit
Detailed traceback:
Traceback (most recent call last):
File "libprs500\gui2\jobs.pyo", line 97, in run
File "libprs500\ebooks\lrf\any\convert_from.pyo", line 140, in main
File "libprs500\ebooks\lrf\any\convert_from.pyo", line 117, in process_file
File "libprs500\ebooks\lrf\lit\convert_from.pyo", line 63, in process_file
File "libprs500\ebooks\metadata\opf.pyo", line 118, in __init__
File "libprs500\ebooks\metadata\opf.pyo", line 188, in get_isbn
AttributeError: 'NoneType' object has no attribute 'lower'
Log:
[DEBUG] convert_from.pyo:41: clit "c:\docume~1\joe\locals~1\temp\libprs500_0.4.24_zn 2v5-.lit" "c:\docume~1\joe\locals~1\temp\libprs500_jw0q0 s\\"
[INFO] convert_from.pyo:43: +---[ ConvertLIT (Version 1.8) ]---------------[ Copyright (c) 2002,2003 ]---
ConvertLIT comes with ABSOLUTELY NO WARRANTY; for details
see the COPYING file or visit "http://www.gnu.org/license/gpl.html".
This is free software, and you are welcome to redistribute it under
certain conditions. See the GPL license for details.
LIT INFORMATION.........
DRM = 1
Timestamp = 06912b6d
Creator = bff6a501
Language = 00000409
Writing out "50849_Subtle_Knife" as "50849_Subtle Knife.htm" ...
Successfully written to "c:\docume~1\joe\locals~1\temp\libprs500_jw0q0s\50 849_Subtle Knife.htm".

Writing out "50849_subtle_knife1" as "50849_subtle knife.css" ...
Successfully written to "c:\docume~1\joe\locals~1\temp\libprs500_jw0q0s\50 849_subtle knife.css".

Writing out "50849landscape_thumb" as "50849landscape_thumb.jpg" ...
Successfully written to "c:\docume~1\joe\locals~1\temp\libprs500_jw0q0s\50 849landscape_thumb.jpg".

Writing out "50849full_size" as "50849full_size.jpg" ...
Successfully written to "c:\docume~1\joe\locals~1\temp\libprs500_jw0q0s\50 849full_size.jpg".

Writing out "50849spine" as "50849spine.jpg" ...
Successfully written to "c:\docume~1\joe\locals~1\temp\libprs500_jw0q0s\50 849spine.jpg".

Writing out "50849full_size_thumb" as "50849full_size_thumb.jpg" ...
Successfully written to "c:\docume~1\joe\locals~1\temp\libprs500_jw0q0s\50 849full_size_thumb.jpg".

Writing out "50849landscape" as "50849landscape.jpg" ...
Successfully written to "c:\docume~1\joe\locals~1\temp\libprs500_jw0q0s\50 849landscape.jpg".

Writing out "publogo" as "publogo.jpg" ...
Successfully written to "c:\docume~1\joe\locals~1\temp\libprs500_jw0q0s\pu blogo.jpg".

Writing out "dingbats" as "dingbats.jpg" ...
Successfully written to "c:\docume~1\joe\locals~1\temp\libprs500_jw0q0s\di ngbats.jpg".

Exploded "c:\docume~1\joe\locals~1\temp\libprs500_0.4.24_zn 2v5-.lit" into "c:\docume~1\joe\locals~1\temp\libprs500_jw0q0 s\".

The 2 other Lit files I bought at the same time converted fine. Anything for me to try?