kopete crashed with SIGSEGV in QString::length()

[Boguslaw Bojo]

Binary package hint: kdenetwork

ubuntu karmic koala Alpha2
Kopete
I expected it would simply run, but it didn't
error appeared

ProblemType: Crash
Architecture: i386
Date: Wed Jul 22 23:36:29 2009
DistroRelease: Ubuntu 9.10
ExecutablePath: /usr/bin/kopete
Package: kopete 4:4.2.96-0ubuntu1
ProcCmdline: /usr/bin/kopete -caption Kopete
ProcEnviron:
 LANG=pl_PL.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-3.19-generic
SegvAnalysis:
 Segfault happened at: 0x20dea09 <_ZNK7QStringltERKS_+25>: mov (%eax),%eax
 PC (0x020dea09) ok
 source "(%eax)" (0xfffffff8) not located in a known VMA region (needed readable region)!
 destination "%eax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: kdenetwork
StacktraceTop:
 QString::length (this=0xfffffff8, other=...)
 QString::operator< (this=0xfffffff8, other=...) at tools/qstring.cpp:1973
 ?? () from /usr/lib/kde4/kopete_facebook.so
 Kopete::MetaContact::slotProtocolLoaded(Kopete::Protocol*)
 Kopete::MetaContact::qt_metacall(QMetaObject::Call, int, void**) () from /usr/lib/libkopete.so.4
Title: kopete crashed with SIGSEGV in QString::length()
Uname: Linux 2.6.31-3-generic i686
UserGroups:

[Apport retracing service (apport)]

StacktraceTop:QString::operator< (this=0xfffffff8, other=@0xbfd41eb8)
?? () from /usr/lib/kde4/kopete_facebook.so
Kopete::MetaContact::slotProtocolLoaded (this=0x9503088,
Kopete::MetaContact::qt_metacall (this=0x9503088,
QMetaObject::activate (sender=0x928b7b4,