plasma-desktop crashed with overload 10 in readSessionKey(): argument 1 has unexpected type 'QVariant'

[kirov]

Binary package hint: kdebase-workspace

added last.fm desktop widget configured it then presseed plan and Plasma Desktop crashed. Logs should sho wthis is Natty

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: plasma-desktop 4:4.6.1-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38
Uname: Linux 2.6.38-7-generic x86_64
Architecture: amd64
Date: Sat Mar 26 15:58:02 2011
ExecutablePath: /usr/bin/plasma-desktop
InstallationMedia: Kubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
ProcCmdline: /usr/bin/plasma-desktop
ProcEnviron:
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: kdebase-workspace
Title: plasma-desktop crashed with overload 10 in readSessionKey(): argument 1 has unexpected type 'QVariant'
UpgradeStatus: Upgraded to natty on 2011-03-15 (11 days ago)
UserGroups: adm admin cdrom dialout lpadmin mythtv plugdev sambashare
XsessionErrors:
 (knotify4:1945): GStreamer-CRITICAL **: gst_debug_add_log_function: assertion `func != NULL' failed
 (amarok:2064): GStreamer-CRITICAL **: gst_debug_add_log_function: assertion `func != NULL' failed
 (plasma-desktop:1978): GStreamer-CRITICAL **: gst_debug_add_log_function: assertion `func != NULL' failed

[Harald Sitter (apachelogger)]

That is a bug in the plasmoid, please report it to its author. Thanks :)