just crashed when switching songs manually

[ex0]

Binary package hint: amarok

dsfuite

ProblemType: Crash
Architecture: amd64
DistroRelease: Ubuntu 9.04
ExecutablePath: /usr/bin/amarok
NonfreeKernelModules: nvidia
Package: amarok 2:2.0.2mysql5.1.30-0ubuntu3
ProcCmdline: /usr/bin/amarok /home/username/Music/The\ Low\ End\ Theory/12\ Skypager.mp3
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
Signal: 11
SourcePackage: amarok
StacktraceTop:
 ?? () from /usr/lib/libamaroklib.so.1
 Playlist::Model::insertTracksCommand ()
 QUndoStack::push () from /usr/lib/libQtGui.so.4
 Playlist::Controller::insertionHelper ()
 Playlist::Controller::insertOptioned ()
Title: amarok crashed with SIGSEGV in Playlist::Model::insertTracksCommand()
Uname: Linux 2.6.28-11-generic x86_64
UserGroups: adm admin audio cdrom dialout dip floppy fuse lpadmin plugdev video