Version:           1.10.3 (using 4.1.3 (KDE 4.1.3), Kubuntu packages)
Compiler:          cc
OS:                Linux (x86_64) release 2.6.27-7-generic

I tryed to personalize my kmail toolbar. When I was finished and click on (apply or ok, I'am not sure) kontact crash. See backtrace:

Anwendung: Kontact (kontact), Signal SIGABRT
[Thread debugging using libthread_db enabled]
[New Thread 0x7f39a36696f0 (LWP 6403)]
[New Thread 0x425a3950 (LWP 6539)]
[KCrash handler]
#5  0x00007f39a0cbdfd5 in raise () from /lib/libc.so.6
#6  0x00007f39a0cbfb43 in abort () from /lib/libc.so.6
#7  0x00007f39a0cfefa8 in ?? () from /lib/libc.so.6
#8  0x00007f39a0d04938 in ?? () from /lib/libc.so.6
#9  0x00007f39a0d06f86 in free () from /lib/libc.so.6
#10 0x00007f39a1fc0ea2 in QMetaCallEvent::~QMetaCallEvent ()
   from /usr/lib/libQtCore.so.4
#11 0x00007f39a1fb3a09 in QCoreApplicationPrivate::sendPostedEvents ()
   from /usr/lib/libQtCore.so.4
#12 0x00007f39a1fdb4d3 in ?? () from /usr/lib/libQtCore.so.4
#13 0x00007f399b6e3d3b in g_main_context_dispatch ()
   from /usr/lib/libglib-2.0.so.0
#14 0x00007f399b6e750d in ?? () from /usr/lib/libglib-2.0.so.0
#15 0x00007f399b6e76cb in g_main_context_iteration ()
   from /usr/lib/libglib-2.0.so.0
#16 0x00007f39a1fdb15f in QEventDispatcherGlib::processEvents ()
   from /usr/lib/libQtCore.so.4
#17 0x00007f39a1566a9f in ?? () from /usr/lib/libQtGui.so.4
#18 0x00007f39a1fb1682 in QEventLoop::processEvents ()
   from /usr/lib/libQtCore.so.4
#19 0x00007f39a1fb180d in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#20 0x00007f39a1fb3cbd in QCoreApplication::exec ()
   from /usr/lib/libQtCore.so.4
#21 0x00000000004048e5 in main (argc=3, argv=0x7fffab6a7068)
    at /build/buildd/kdepim-4.1.2/kontact/src/main.cpp:218
#0  0x00007f39a0d33621 in nanosleep () from /lib/libc.so.6