nepomukservicestub crashed with SIGSEGV in QUrl::QUrl()

[vongoldi]

whene i made a update it crash.

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: kde-runtime 4:4.8.2-0ubuntu1
ProcVersionSignature: Ubuntu 3.2.0-21.34-generic 3.2.13
Uname: Linux 3.2.0-21-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.0-0ubuntu4
Architecture: amd64
CrashCounter: 1
Date: Fri Apr 6 06:59:11 2012
ExecutablePath: /usr/bin/nepomukservicestub
InstallationMedia: Kubuntu 12.04 LTS "Precise Pangolin" - Beta amd64 (20120228.1)
ProcCmdline: /usr/bin/nepomukservicestub nepomukstorage
ProcEnviron:
 LANGUAGE=de_DE
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: kde-runtime
Title: nepomukservicestub crashed with SIGSEGV in QUrl::QUrl()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo