ripping titus andronicus failed

[https://thomasvs.myopenid.com/]

Checking device /dev/sr0
CDDB disc id 7d0f590a                         
MusicBrainz disc id 9vgM4l_gSWbQfVjs2KbhPs000nQ-
/usr/lib/python2.6/site-packages/musicbrainz2/model.py:21: DeprecationWarning: the sets module is deprecated
  from sets import Set
Matching releases:
Artist  : Titus Andronicus
Title   : The Monitor

Ripping track 1 of 10: 01. Titus Andronicus - A More Perfect Union.flac
Checksums match for track 1                            
Peak level: 100.00 %
Rip quality: 100.00 %
Ripping track 2 of 10: 02. Titus Andronicus - Titus Andronicus Forever or Theme From "The Monitor".flac
Checksums match for track 2                        
Peak level: 100.00 %
Rip quality: 100.00 %
Ripping track 3 of 10: 03. Titus Andronicus - No Future Part Three: Escape From No Future.flac
Checksums match for track 3                        
Peak level: 100.00 %
Rip quality: 100.00 %
Ripping track 4 of 10: 04. Titus Andronicus - Richard II or Extraordinary Popular Dimensions and the Madness of Crowds (Responsible Hate Anthem).flac
Checksums match for track 4                        
Peak level: 100.00 %
Rip quality: 100.00 %
Ripping track 5 of 10: 05. Titus Andronicus - A Pot in Which to Piss.flac
Checksums match for track 5                        
Peak level: 99.97 %
Rip quality: 100.00 %
Ripping track 6 of 10: 06. Titus Andronicus - Four Score and Seven.flac
Checksums match for track 6                        
Peak level: 99.94 %
Rip quality: 100.00 %
Ripping track 7 of 10: 07. Titus Andronicus - Theme From "Cheers".flac
Checksums match for track 7                        
Peak level: 98.37 %
Rip quality: 100.00 %
Ripping track 8 of 10: 08. Titus Andronicus - To Old Friends and New.flac
Checksums match for track 8                        
Peak level: 100.00 %
Rip quality: 100.00 %
Ripping track 9 of 10: 09. Titus Andronicus - ...And Ever or Theme From "The Monitor" (reprise).flac
Checksums match for track 9                        
Peak level: 100.00 %
Rip quality: 100.00 %
Ripping track 10 of 10: 10. Titus Andronicus - The Battle of Hampton Roads.flac
Checksums match for track 10                       
Peak level: 99.64 %
Rip quality: 100.00 %
AccurateRip URL http://www.accuraterip.com/accuraterip/d/b/6/dBAR-010-001636bd-00b52e11-7d0f590a.bin
Album not found in AccurateRip database
Traceback (most recent call last):                 
  File "/usr/bin/rip", line 28, in <module>
    sys.exit(main.main(sys.argv[1:]))
  File "/usr/lib/python2.6/site-packages/morituri/rip/main.py", line 12, in main
    ret = c.parse(argv)
  File "/usr/lib/python2.6/site-packages/morituri/extern/command/command.py", line 295, in parse
    return self.subCommands[command].parse(args[1:])
  File "/usr/lib/python2.6/site-packages/morituri/extern/command/command.py", line 295, in parse
    return self.subCommands[command].parse(args[1:])
  File "/usr/lib/python2.6/site-packages/morituri/extern/command/command.py", line 271, in parse
    ret = self.do(args)
  File "/usr/lib/python2.6/site-packages/morituri/rip/cd.py", line 295, in do
    prog.verifyImage(runner, responses)
  File "/usr/lib/python2.6/site-packages/morituri/common/program.py", line 400, in verifyImage
    runner.run(verifytask)
  File "/usr/lib/python2.6/site-packages/morituri/common/task.py", line 350, in run
    raise task.exception
TypeError: unsupported operand type(s) for %: 'NoneType' and 'int'