2.11.40 - convert-ly does not work (Windows XP)

[Thomas Scharkowski]

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Traceback (most recent call last):
  File "C:\Programme\LilyPond\usr\bin\convert-ly.py", line 307, in ?
    main ()
  File "C:\Programme\LilyPond\usr\bin\convert-ly.py", line 301, in 
main
    do_one_file (f)
  File "C:\Programme\LilyPond\usr\bin\convert-ly.py", line 234, in 
do_one_file
    (last, result) = do_conversion (infile.read (), from_version, 
to_version)
  File "C:\Programme\LilyPond\usr\bin\convert-ly.py", line 171, in 
do_conversion
    if convertrules.error_file:
AttributeError: 'module' object has no attribute 'error_file'
Processing time: 0 seconds
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