SUMMARY
drkonqi crashed when trying to report a crash of plasma. I clicked "Install Debug Symbols". A terminal popped up with

Reading installed packages...
No provider of 'debuginfo(build-id)=2b0a95eb302c1e54af8b9f5333378b3476e69944' found. ['--plus-content debug'?]
Resolving package dependencies...

Nothing to do.

Then a error window pops up with

An error was encountered during the installation of the debug symbol packages. 

When I then clicked "Next", drkonqi crashed.

Backtrace of the crash of drkonqi:

Application: drkonqi (drkonqi), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f25446cf8c0 (LWP 31479))]

Thread 3 (Thread 0x7f2528c51700 (LWP 31483)):
#0  0x00007f253fcc4ba8 in read () at /lib64/libc.so.6
#1  0x00007f253be90a50 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f253be4bc38 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f253be4c0d0 in  () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f253be4c23c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f25405f8c1b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#6  0x00007f25405a109a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007f25403d04da in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#8  0x00007f2541c76985 in  () at /usr/lib64/libQt5DBus.so.5
#9  0x00007f25403d50ce in  () at /usr/lib64/libQt5Core.so.5
#10 0x00007f253e170569 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f253fcd385f in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f253278b700 (LWP 31481)):
#0  0x00007f253fcc90bb in poll () at /lib64/libc.so.6
#1  0x00007f253b0c5387 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f253b0c6fba in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f2535543069 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f25403d50ce in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f253e170569 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f253fcd385f in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f25446cf8c0 (LWP 31479)):
[KCrash Handler]
#6  0x000056349b38d339 in  ()
#7  0x00007f2540ccd4c8 in  () at /usr/lib64/libQt5Gui.so.5
#8  0x00007f2540ccd660 in  () at /usr/lib64/libQt5Gui.so.5
#9  0x00007f25405d005a in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#10 0x00007f2540ee5fda in QTextDocument::contentsChange(int, int, int) () at /usr/lib64/libQt5Gui.so.5
#11 0x00007f2540c8c251 in QTextDocumentPrivate::finishEdit() () at /usr/lib64/libQt5Gui.so.5
#12 0x00007f25414fb8dc in  () at /usr/lib64/libQt5Widgets.so.5
#13 0x00007f25414e60a9 in QTextEdit::append(QString const&) () at /usr/lib64/libQt5Widgets.so.5
#14 0x000056349b37b390 in  ()
#15 0x00007f25405d015c in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#16 0x000056349b3c7cd5 in  ()
#17 0x000056349b37f58a in  ()
#18 0x00007f25405d015c in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#19 0x00007f2540522c6a in QProcess::readyReadStandardOutput(QProcess::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#20 0x00007f2540529211 in  () at /usr/lib64/libQt5Core.so.5
#21 0x00007f25405296f0 in  () at /usr/lib64/libQt5Core.so.5
#22 0x00007f25405d005a in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#23 0x00007f25405dbec8 in QSocketNotifier::activated(int, QSocketNotifier::QPrivateSignal) () at /usr/lib64/libQt5Core.so.5
#24 0x00007f25405dc232 in QSocketNotifier::event(QEvent*) () at /usr/lib64/libQt5Core.so.5
#25 0x00007f2541332e8c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#26 0x00007f254133a244 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#27 0x00007f25405a2a88 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#28 0x00007f25405f97fd in  () at /usr/lib64/libQt5Core.so.5
#29 0x00007f253be4be07 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#30 0x00007f253be4c1b0 in  () at /usr/lib64/libglib-2.0.so.0
#31 0x00007f253be4c23c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#32 0x00007f25405f8bff in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#33 0x00007f25405a109a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#34 0x00007f25405a99e4 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#35 0x000056349b3737be in  ()
#36 0x00007f253fbfbf8a in __libc_start_main () at /lib64/libc.so.6
#37 0x000056349b373afa in _start ()
[Inferior 1 (process 31479) detached]