Application: kdeinit5 (kdeinit5), signal: Aborted

[KCrash Handler]
# 4 0x00007fe396171d22 in raise () from /usr/lib/libc.so.6
# 5 0x00007fe39615b862 in abort () from /usr/lib/libc.so.6
# 6 0x00007fe3963919ac in QMessageLogger::fatal(char const*, ...) const () from /usr/lib/libQt5Core.so.5
# 7 0x00007fe39590ee21 in ?? () from /usr/lib/libQt5Widgets.so.5
# 8 0x00007fe395b1d112 in QDialog::QDialog(QWidget*, QFlags<Qt::WindowType>) () from /usr/lib/libQt5Widgets.so.5
# 9 0x00007fe391d74c3e in KMessageBox::messageBox(QWidget*, KMessageBox::DialogType, QString const&, QString const&, KGuiItem const&, KGuiItem const&, KGuiItem const&, QString const&, QFlags<KMessageBox::Option>) () from /usr/lib/libKF5WidgetsAddons.so.5
# 10 0x00007fe391e1be03 in ?? () from /usr/lib/libKF5JobWidgets.so.5
# 11 0x00007fe3965e34f2 in QObject::event(QEvent*) () from /usr/lib/libQt5Core.so.5
# 12 0x00007fe3965b69c0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
# 13 0x00007fe3965b94e3 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQt5Core.so.5
# 14 0x00007fe396610014 in ?? () from /usr/lib/libQt5Core.so.5
# 15 0x00007fe394ccc10c in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
# 16 0x00007fe394d1fb99 in ?? () from /usr/lib/libglib-2.0.so.0
# 17 0x00007fe394cc9871 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
# 18 0x00007fe39660f651 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
# 19 0x00007fe3965b536c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
# 20 0x00007fe397167beb in ?? () from /usr/lib/qt/plugins/kf5/kio/filenamesearch.so
# 21 0x00007fe397167eed in ?? () from /usr/lib/qt/plugins/kf5/kio/filenamesearch.so
# 22 0x00007fe397168453 in ?? () from /usr/lib/qt/plugins/kf5/kio/filenamesearch.so
# 23 0x00007fe392acfacf in KIO::SlaveBase::dispatch(int, QByteArray const&) () from /usr/lib/libKF5KIOCore.so.5
# 24 0x00007fe392ad05e6 in KIO::SlaveBase::dispatchLoop() () from /usr/lib/libKF5KIOCore.so.5
# 25 0x00007fe39716877c in kdemain () from /usr/lib/qt/plugins/kf5/kio/filenamesearch.so
# 26 0x000055c593eb2c9d in ?? ()
# 27 0x000055c593eb44f1 in ?? ()
# 28 0x000055c593eb4bf9 in ?? ()
# 29 0x000055c593eafb13 in ?? ()
# 30 0x00007fe39615cb25 in __libc_start_main () from /usr/lib/libc.so.6
# 31 0x000055c593eb06ae in ?? ()
[Inferior 1 (process 5389) detached]

Perhaps irrelevant detail: I was searching my filesystem for 66serv scripts in order to learn how to enable services