Application that crashed: korganizer
Version of the application: 4.3.1
KDE Version: 4.3.1 (KDE 4.3.1)
Qt Version: 4.5.2
Operating System: Linux 2.6.28-15-generic x86_64
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
Juste added a resource : egroupware (xml-rpc)
added some event on it 
close korganizer windows =>crash
the same append if the ressource already provide an event on it

 -- Backtrace:
Application: KOrganizer (korganizer), signal: Aborted
[KCrash Handler]
#5  0x00007f3ef2c69fb5 in *__GI_raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#6  0x00007f3ef2c6bbc3 in *__GI_abort () at abort.c:88
#7  0x00007f3ef37a9da5 in qt_message_output (msgType=QtFatalMsg, buf=<value optimized out>) at global/qglobal.cpp:2042
#8  0x00007f3ef37a9eeb in qFatal (msg=<value optimized out>) at global/qglobal.cpp:2241
#9  0x00007f3ef577291f in KProtocolManager::slaveProtocol (url=@0xbf65c8, proxy=@0x7fff00f99cf8) at /build/buildd/kde4libs-4.3.1/kio/kio/kprotocolmanager.cpp:64
#10 0x00007f3ef57a66bf in KIO::SchedulerPrivate::doJob (this=0xd4a1f0, job=0x8eb0d0) at /build/buildd/kde4libs-4.3.1/kio/kio/scheduler.cpp:387
#11 0x00007f3ef56fad92 in KIO::SimpleJobPrivate::simpleJobInit (this=<value optimized out>) at /build/buildd/kde4libs-4.3.1/kio/kio/job.cpp:310
#12 0x00007f3ef56fbc69 in TransferJob (this=0x11c6, dd=@0x11c6) at /build/buildd/kde4libs-4.3.1/kio/kio/job.cpp:886
#13 0x00007f3ef5709d3e in KIO::TransferJobPrivate::newJob (url=@0x7fff00f99e20, command=77, packedArgs=<value optimized out>, _staticData=@0x7fff00f99fc0, flags={i = 16359008})
    at /build/buildd/kde4libs-4.3.1/kio/kio/job_p.h:255
#14 0x00007f3ef5702857 in KIO::http_post (url=<value optimized out>, postData=@0x7fff00f99fc0, flags={i = 16359392}) at /build/buildd/kde4libs-4.3.1/kio/kio/job.cpp:1409
#15 0x00007f3ee75c2679 in KXMLRPC::Query::call (this=0xd72460, server=@0x7fff00f9a090, method=<value optimized out>, args=<value optimized out>, userAgent=@0xd445c0)
    at /build/buildd/kdepim-4.3.1/kresources/egroupware/xmlrpciface.cpp:75
#16 0x00007f3ee75c2cfc in KXMLRPC::Server::call (this=0xd445a0, method=@0x7fff00f9a230, args=@0x7fff00f9a120, msgObj=0xbbc550, 
    messageSlot=0x7f3ee75d7888 "1logoutFinished( const QList<QVariant>&, const QVariant& )", faultObj=0xbbc550, faultSlot=0x7f3ee75d77c8 "1fault( int, const QString&, const QVariant& )", 
    id=@0x7fff00f9a1e0) at /build/buildd/kdepim-4.3.1/kresources/egroupware/xmlrpciface.cpp:373
#17 0x00007f3ee75c3762 in KXMLRPC::Server::call (this=0xd445a0, method=@0x7fff00f9a230, arg=@0x7fff00f9a1f0, msgObj=0xbbc550, 
    messageSlot=0x7f3ee75d7888 "1logoutFinished( const QList<QVariant>&, const QVariant& )", faultObj=0xbbc550, faultSlot=0x7f3ee75d77c8 "1fault( int, const QString&, const QVariant& )", 
    id=@0x7fff00f9a1e0) at /build/buildd/kdepim-4.3.1/kresources/egroupware/xmlrpciface.cpp:383
#18 0x00007f3ee75cc25e in KCal::ResourceXMLRPC::doClose (this=0xbbc550) at /build/buildd/kdepim-4.3.1/kresources/egroupware/kcal_resourcexmlrpc.cpp:211
#19 0x00007f3ef6579336 in KRES::Resource::close (this=0xbbc550) at /build/buildd/kdepimlibs-4.3.1/kresources/resource.cpp:141
#20 0x00007f3ef7fde959 in KCal::CalendarResources::close (this=0xb34cc0) at /build/buildd/kdepimlibs-4.3.1/kcal/calendarresources.cpp:350
#21 0x00007f3ef7fdecdd in ~CalendarResources (this=0x11c6) at /build/buildd/kdepimlibs-4.3.1/kcal/calendarresources.cpp:247
#22 0x00007f3ef7147eb6 in ~StdCalendar (this=0x11c6) at /build/buildd/kdepim-4.3.1/korganizer/stdcalendar.cpp:112
#23 0x00007f3ef7149557 in K3StaticDeleter<KOrg::StdCalendar>::destructObject (this=0x7f3ef734b1e0) at /usr/include/k3staticdeleter.h:174
#24 0x00007f3ef84d870c in K3StaticDeleterPrivate::deleteStaticDeleters () at /build/buildd/kde4libs-4.3.1/kde3support/kdecore/k3staticdeleter.cpp:56
#25 0x00007f3ef389bc35 in qt_call_post_routines () at kernel/qcoreapplication.cpp:163
#26 0x00007f3ef4426458 in ~QApplication (this=0x7fff00f9a580) at kernel/qapplication.cpp:971
#27 0x0000000000408731 in main (argc=<value optimized out>, argv=<value optimized out>) at /build/buildd/kdepim-4.3.1/korganizer/main.cpp:61

This bug may be a duplicate of or related to bug 204939

Reported using DrKonqi