kaffeine crashing when opening mp3 amd64

Binary package hint: kaffeine

If I open a pls file (stream radio) from firefox or konquer, I get a box to choose the application to open it. If I pick kaffeine, it goes into endless loop and halt the system. The same happens if I try to open a mp3 file from the firefox or konquer (same sequence)

1)
 lsb_release -rd
Description: Ubuntu 9.10
Release: 9.10

2)
apt-cache policy kaffeine
kaffeine:
  Installed: 1.0~pre2-0ubuntu1
  Candidate: 1.0~pre2-0ubuntu1
  Version table:
 *** 1.0~pre2-0ubuntu1 0
        500 http://de.archive.ubuntu.com karmic/main Packages
        100 /var/lib/dpkg/status

3) I expected kaffeine to start and play the radio stream

4) kaffeine splash screen showed, and kaffeine went into endless loop.

ProblemType: Bug
Architecture: amd64
Date: Sat Nov 7 08:22:26 2009
DistroRelease: Ubuntu 9.10
InstallationMedia: Kubuntu 9.10 "Karmic Koala" - Release amd64 (20091027)
NonfreeKernelModules: nvidia
Package: kaffeine 1.0~pre2-0ubuntu1
ProcEnviron:
 LANGUAGE=
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-14.48-generic
SourcePackage: kaffeine
Uname: Linux 2.6.31-14-generic x86_64
XsessionErrors:
 (npviewer.bin:1730): Gtk-WARNING **: /usr/lib/gtk-2.0/2.10.0/engines/libqtcurve.so: wrong ELF class: ELFCLASS64
 (npviewer.bin:1816): Gtk-WARNING **: /usr/lib/gtk-2.0/2.10.0/engines/libqtcurve.so: wrong ELF class: ELFCLASS64