KCDLabel

When I try to save a kcdlabel doc, it crashes...

Using host libthread_db library
"/lib/tls/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread -1232483904 (LWP 3893)]
[KCrash handler]
#3 0xb695c703 in strlen () from /lib/tls/libc.so.6
#4 0x0806df57 in KCoverFont::Save ()
#5 0x0806fbc2 in KCoverBody::Save ()
#6 0x08079221 in KCDLabel::slotFileSave ()
#7 0x08080465 in KCDLabel::qt_invoke ()
#8 0xb6fa21ec in QObject::activate_signal ()
from /usr/lib/qt/lib/libqt-mt.so.3
#9 0xb6fa234d in QObject::activate_signal ()
from /usr/lib/qt/lib/libqt-mt.so.3
#10 0xb7914df2 in KToolBar::clicked ()
from /opt/kde/lib/libkdeui.so.4
#11 0xb79152da in KToolBar::qt_emit ()
from /opt/kde/lib/libkdeui.so.4
#12 0xb6fa2221 in QObject::activate_signal ()
from /usr/lib/qt/lib/libqt-mt.so.3
#13 0xb6fa234d in QObject::activate_signal ()
from /usr/lib/qt/lib/libqt-mt.so.3
#14 0xb79dafb2 in KToolBarButton::clicked ()
from /opt/kde/lib/libkdeui.so.4
#15 0xb79da921 in KToolBarButton::slotClicked ()
from /opt/kde/lib/libkdeui.so.4
#16 0xb79db31c in KToolBarButton::qt_invoke ()
from /opt/kde/lib/libkdeui.so.4
#17 0xb6fa21ec in QObject::activate_signal ()
from /usr/lib/qt/lib/libqt-mt.so.3
#18 0xb6fa2014 in QObject::activate_signal ()
from /usr/lib/qt/lib/libqt-mt.so.3
#19 0xb72cc2fe in QButton::clicked ()
from /usr/lib/qt/lib/libqt-mt.so.3
#20 0xb7034a24 in QButton::mouseReleaseEvent ()
from /usr/lib/qt/lib/libqt-mt.so.3
#21 0xb79d9813 in KToolBarButton::mouseReleaseEvent
()
from /opt/kde/lib/libkdeui.so.4
#22 0xb6fd85f7 in QWidget::event ()
from /usr/lib/qt/lib/libqt-mt.so.3
#23 0xb6f4595f in QApplication::internalNotify ()
from /usr/lib/qt/lib/libqt-mt.so.3
#24 0xb6f45054 in QApplication::notify ()
from /usr/lib/qt/lib/libqt-mt.so.3
#25 0xb7667585 in KApplication::notify ()
from /opt/kde/lib/libkdecore.so.4
#26 0xb6edb290 in QETWidget::translateMouseEvent ()
from /usr/lib/qt/lib/libqt-mt.so.3
#27 0xb6ed8f1e in QApplication::x11ProcessEvent ()
from /usr/lib/qt/lib/libqt-mt.so.3
#28 0xb6eefe54 in QEventLoop::processEvents ()
from /usr/lib/qt/lib/libqt-mt.so.3
#29 0xb6f57d18 in QEventLoop::enterLoop ()
from /usr/lib/qt/lib/libqt-mt.so.3
#30 0xb6f57bc8 in QEventLoop::exec ()
from /usr/lib/qt/lib/libqt-mt.so.3
#31 0xb6f45bb1 in QApplication::exec ()
from /usr/lib/qt/lib/libqt-mt.so.3
#32 0x08066349 in main ()

I use KDE 3.4, Slacware 10.2