I reflashed and restored my backup. Youam now runs but does not find any of my mp3 files. Preferences are also not working for me. I did try deleting .musicdb but it did not help.

--startup error
load_track: could not find tree path

--preferences error
Traceback (most recent call last):
File "debian/youamp/usr/lib/python2.5/site-packages/youamp/controller.py", line 178, in _show_preferences
File "debian/youamp/usr/lib/python2.5/site-packages/youamp/ui/preferences.py", line 94, in __init__
AttributeError: 'NoneType' object has no attribute 'is_connected'