Application: Dolphin (dolphin), signal: Segmentation fault

[KCrash Handler]
#6  0x00007f0bffae85b4 in QScopedPointer<QObjectData, QScopedPointerDeleter<QObjectData> >::operator-> (this=0x8) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:118
#7  qGetPtrHelper<QScopedPointer<QObjectData, QScopedPointerDeleter<QObjectData> > > (ptr=...) at ../../include/QtCore/../../src/corelib/global/qglobal.h:1143
#8  QAction::d_func (this=this@entry=0x0) at kernel/qaction.h:63
#9  QAction::setWhatsThis (this=this@entry=0x0, whatsthis=...) at kernel/qaction.cpp:845
#10 0x0000559de8ab84c8 in DolphinMainWindow::setupWhatsThis (this=0x559de9529d70) at /usr/src/debug/dolphin-22.12.1/src/dolphinmainwindow.cpp:2619
#11 DolphinMainWindow::DolphinMainWindow (this=0x559de9529d70, __in_chrg=<optimized out>, __vtt_parm=<optimized out>) at /usr/src/debug/dolphin-22.12.1/src/dolphinmainwindow.cpp:222
#12 main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/dolphin-22.12.1/src/main.cpp:202
[Inferior 1 (process 10426) detached]