Submitter:
Long desciption: Describe as exactly as you can what you did when this error occurred. If you give no description at all, you make it very difficult to track down this bug. You should replace this text with your description, and also remove the "bug-tag" in the bottom of this text so that this bug is not automatically sorted among the bug reports with no description. (bug-tag: NO_DESCRIPTION)

Solfege version	3.19.2
Bzr revision info	branch_nick: build-branch revno: 1777 revision_id: tca@gnu.org-20101227222252-1wo3dakyaahra9o4 clean: False
gtk.pygtk_version	(2, 22, 0)
gtk	<module 'gtk' from '/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/gtk-2.0/gtk/__init__.pyc'>
sys.version_info	sys.version_info(major=2, minor=7, micro=2, releaselevel='final', serial=0)
sys.version	2.7.2 (default, Nov 21 2011, 15:04:09) [GCC 4.2.1 (Apple Inc. build 5666) (dot 3)]
sys.prefix	/opt/local/Library/Frameworks/Python.framework/Versions/2.7
sys.platform	darwin
windowsversion	(not running ms windows)

Message from stderr:

Traceback (most recent call last):
  File "/opt/local/share/solfege/solfege/startup.py", line 147, in start_gui
    solfege.db = statistics.DB(f, profile=options.profile)
  File "/opt/local/share/solfege/solfege/statistics.py", line 88, in __init__
    self.read_old_data(callback)
  File "/opt/local/share/solfege/solfege/statistics.py", line 202, in read_old_data
    imp, uuid_to_filename = self.get_uuid_to_filename_mapping(callback)
  File "/opt/local/share/solfege/solfege/statistics.py", line 167, in get_uuid_to_filename_mapping
    lessonfile.require_mgr()
  File "/opt/local/share/solfege/solfege/lessonfile.py", line 1992, in require_mgr
    list(mgr.parse(True))
  File "/opt/local/share/solfege/solfege/lessonfile.py", line 1921, in parse
    filename = filename.decode(locale.getpreferredencoding())
LookupError: unknown encoding: