Rhythmbox crash

Alexander <[email protected]>
Newsgroups gmane.comp.gnome.apps.rhythmbox.devel
Message-ID <[email protected]> 
When I run it I get this:

sh@sh-R528-R728:~/desktop/rhythmbox-2.96$ rhythmbox 

** WARNING **: signal "removable_media_scan_finished" (from "removableMediaScanFinished") exported but not found in object class "RBShell"

** WARNING **: signal "database_load_complete" (from "databaseLoadComplete") exported but not found in object class "RBShell"

GLib-GObject-WARNING **: /build/buildd/glib2.0-2.31.0/./gobject/gsignal.c:2295: signal `database-load-complete' is invalid for instance `0x93cc010'

My OS is Ubuntu 11.10

what may be a cause?
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