Dear Maintainer,

sorry but it just happens when it reminds me and when it was over it
crashs..

Application: Erinnerungen (kalendarac), signal: Segmentation fault

[KCrash Handler]
#4  0x00007f9bd0b9e934 in KCalendarCore::Incidence::alarms() const () from /lib/x86_64-linux-gnu/libKF5CalendarCore.so.5abi2
#5  0x00007f9bd0cfb977 in Akonadi::ETMCalendar::alarms(QDateTime const&, QDateTime const&, bool) const () from /lib/x86_64-linux-gnu/libKF5AkonadiCalendar.so.5abi1
#6  0x0000564557ed0fb5 in KalendarAlarmClient::checkAlarms (this=0x7ffe92b3f160) at ./reminder-daemon/kalendaralarmclient.cpp:256
#7  0x00007f9bcfce1f4f in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#8  0x00007f9bcfce5d6a in QTimer::timeout(QTimer::QPrivateSignal) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#9  0x00007f9bcfcd650d in QObject::event(QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#10 0x00007f9bcfcaa6f8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#11 0x00007f9bcfd01c31 in QTimerInfoList::activateTimers() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f9bcfd024fc in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#13 0x00007f9bcd7707a9 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007f9bcd770a38 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007f9bcd770acc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007f9bcfd02836 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#17 0x00007f9bcfca917b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#18 0x00007f9bcfcb12d6 in QCoreApplication::exec() () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#19 0x0000564557ecf0d7 in main (argc=<optimized out>, argv=<optimized out>) at ./reminder-daemon/kalendaracmain.cpp:57
[Inferior 1 (process 2572) detached]