I had 3 tabs opened and dolphin crashed on close after I moved some files.

Application: Dolphin (dolphin), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f9e6bda8800 (LWP 6422))]

Thread 2 (Thread 0x7f9e52208700 (LWP 6425)):
#0  0x00007f9e6b63d97b in poll () at /usr/lib/libc.so.6
#1  0x00007f9e5e019ff3 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f9e5e01a10e in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f9e65822314 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f9e657c43db in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f9e655d37ae in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f9e65c45416 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007f9e655d8b4d in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f9e606a108c in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f9e6b647e7f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f9e6bda8800 (LWP 6422)):
[KCrash Handler]
#6  0x00005565c31079a0 in  ()
#7  0x00007f9e67691466 in  () at /usr/lib/libKF5Notifications.so.5
#8  0x00007f9e67691509 in  () at /usr/lib/libKF5Notifications.so.5
#9  0x00007f9e657f420d in QObjectPrivate::deleteChildren() () at /usr/lib/libQt5Core.so.5
#10 0x00007f9e657fdddc in QObject::~QObject() () at /usr/lib/libQt5Core.so.5
#11 0x00007f9e6766a2e9 in  () at /usr/lib/libKF5Notifications.so.5
#12 0x00007f9e6b589448 in __run_exit_handlers () at /usr/lib/libc.so.6
#13 0x00007f9e6b58949a in  () at /usr/lib/libc.so.6
#14 0x00007f9e6b572f51 in __libc_start_main () at /usr/lib/libc.so.6
#15 0x00005565c107c77a in _start ()