(lldb) bt * thread #1: tid = 0xfd7c0, 0x00007fff7588ec80 libc++abi.dylib`vtable for __cxxabiv1::__si_class_type_info + 16, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS (code=2, address=0x7fff7588ec80) * frame #0: 0x00007fff7588ec80 libc++abi.dylib`vtable for __cxxabiv1::__si_class_type_info + 16 frame #1: 0x000000010243c7f0 QtWidgets`QComboBox::findData(QVariant const&, int, QFlags) const + 96 frame #2: 0x00000001005b0f9f Scribus`QComboBox::findText(QString const&, QFlags) const + 47 frame #3: 0x00000001005b4547 Scribus`MarkVariableText::setValues(QString, QString) + 145 frame #4: 0x00000001003c8de3 Scribus`ScribusMainWindow::editMarkDlg(Mark*, PageItem_TextFrame*) + 633 frame #5: 0x00000001005b30b8 Scribus`MarksManager::on_EditButton_clicked() + 58 frame #6: 0x00000001000294f8 Scribus`MarksManager::qt_metacall(QMetaObject::Call, int, void**) + 80 frame #7: 0x00000001037c86ef QtCore`QMetaObject::activate(QObject*, int, int, void**) + 2815 frame #8: 0x00000001026cd5d0 QtWidgets`QAbstractButton::clicked(bool) + 64 frame #9: 0x000000010242145a QtWidgets`QAbstractButtonPrivate::emitClicked() + 58 frame #10: 0x00000001024212b8 QtWidgets`QAbstractButtonPrivate::click() + 264 frame #11: 0x00000001024222ee QtWidgets`QAbstractButton::mouseReleaseEvent(QMouseEvent*) + 270 frame #12: 0x0000000102379a5f QtWidgets`QWidget::event(QEvent*) + 1631 frame #13: 0x000000010242203f QtWidgets`QAbstractButton::event(QEvent*) + 175 frame #14: 0x000000010233b97b QtWidgets`QApplicationPrivate::notify_helper(QObject*, QEvent*) + 251 frame #15: 0x000000010233f013 QtWidgets`QApplication::notify(QObject*, QEvent*) + 9011 frame #16: 0x00000001037984f3 QtCore`QCoreApplication::notifyInternal(QObject*, QEvent*) + 115 frame #17: 0x000000010233c30b QtWidgets`QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer&, bool) + 971 frame #18: 0x0000000102399ed9 QtWidgets`QWidgetWindow::handleMouseEvent(QMouseEvent*) + 1177 frame #19: 0x00000001023990ef QtWidgets`QWidgetWindow::event(QEvent*) + 111 frame #20: 0x000000010233b97b QtWidgets`QApplicationPrivate::notify_helper(QObject*, QEvent*) + 251 frame #21: 0x000000010233e2de QtWidgets`QApplication::notify(QObject*, QEvent*) + 5630 frame #22: 0x00000001037984f3 QtCore`QCoreApplication::notifyInternal(QObject*, QEvent*) + 115 frame #23: 0x00000001029fc222 QtGui`QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) + 2434 frame #24: 0x00000001029e8572 QtGui`QWindowSystemInterface::sendWindowSystemEvents(QFlags) + 162 frame #25: 0x0000000105ba5391 libqcocoa.dylib`QCocoaEventDispatcherPrivate::postedEventsSourceCallback(void*) + 33 frame #26: 0x00007fff854f2a01 CoreFoundation`__CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17 frame #27: 0x00007fff854e4b8d CoreFoundation`__CFRunLoopDoSources0 + 269 frame #28: 0x00007fff854e41bf CoreFoundation`__CFRunLoopRun + 927 frame #29: 0x00007fff854e3bd8 CoreFoundation`CFRunLoopRunSpecific + 296 frame #30: 0x00007fff8fe2e56f HIToolbox`RunCurrentEventLoopInMode + 235 frame #31: 0x00007fff8fe2e1ee HIToolbox`ReceiveNextEventCommon + 179 frame #32: 0x00007fff8fe2e12b HIToolbox`_BlockUntilNextEventMatchingListInModeWithFilter + 71 frame #33: 0x00007fff8970f8ab AppKit`_DPSNextEvent + 978 frame #34: 0x00007fff8970ee58 AppKit`-[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 346 frame #35: 0x00007fff89704af3 AppKit`-[NSApplication run] + 594 frame #36: 0x0000000105ba42df libqcocoa.dylib`QCocoaEventDispatcher::processEvents(QFlags) + 2191 frame #37: 0x0000000103795c1c QtCore`QEventLoop::exec(QFlags) + 412 frame #38: 0x0000000103798a95 QtCore`QCoreApplication::exec() + 341 frame #39: 0x00000001007dbfad Scribus`mainApp(int, char**) + 90 frame #40: 0x00007fff8c7b05c9 libdyld.dylib`start + 1 frame #41: 0x00007fff8c7b05c9 libdyld.dylib`start + 1