Crash after deleting a boolean augument

[wsteffe]

Crash occurs pressing delete of selected object shown in following image:

Output of bash terminal:

Assembly4 workbench loaded 
A3 available
Program received signal SIGSEGV, Segmentation fault.
#0  /usr/lib/x86_64-linux-gnu/libc.so.6(+0x42520) [0x7f45ae201520]
#1  0x7f45b366ba42 in std::_Hashtable<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, ElementEntry>, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, ElementEntry> >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >::size() const from /usr/local/lib/libFreeCADGui.so+0x10
#2  0x7f45b3669288 in std::unordered_map<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, ElementEntry, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, ElementEntry> > >::size() const from /usr/local/lib/libFreeCADGui.so+0x1c
#3  0x7f45b3663709 in SoFCRenderCacheManager::removeSelection(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, bool) from /usr/local/lib/libFreeCADGui.so+0x7e5
#4  0x7f45b36bcec8 in Gui::SoFCUnifiedSelection::Private::checkSelection(Gui::SelectionChanges::MsgType, App::SubObjectT const&) from /usr/local/lib/libFreeCADGui.so+0xc6
#5  0x7f45b36bde41 in Gui::SoFCUnifiedSelection::Private::doAction(SoAction*) from /usr/local/lib/libFreeCADGui.so+0x72f
#6  0x7f45b36bca0f in Gui::SoFCUnifiedSelection::doAction(SoAction*) from /usr/local/lib/libFreeCADGui.so+0x6d
#7  0x7f45b36e99de in Gui::SoFCSelectionAction::callDoAction(SoAction*, SoNode*) from /usr/local/lib/libFreeCADGui.so+0x34
#8  0x7f45adbed095 in SoAction::traverse(SoNode*) from /usr/lib/x86_64-linux-gnu/libCoin.so.80c+0x65
#9  0x7f45b36e99a7 in Gui::SoFCSelectionAction::beginTraversal(SoNode*) from /usr/local/lib/libFreeCADGui.so+0x27
#10  0x7f45adbed6e8 in SoAction::apply(SoNode*) from /usr/lib/x86_64-linux-gnu/libCoin.so.80c+0xc8
#11  0x7f45b38190f8 in Gui::View3DInventorViewer::onSelectionChanged(Gui::SelectionChanges const&) from /usr/local/lib/libFreeCADGui.so+0x45c
#12  0x7f45b3ae81a3 in Gui::SelectionObserver::_onSelectionChanged(Gui::SelectionChanges const&) from /usr/local/lib/libFreeCADGui.so+0x67
#13  0x7f45b3b13912 in boost::_mfi::mf1<void, Gui::SelectionObserver, Gui::SelectionChanges const&>::operator()(Gui::SelectionObserver*, Gui::SelectionChanges const&) const from /usr/local/lib/libFreeCADGui.so+0x74
#14  0x7f45b3b12a1f in void boost::_bi::list2<boost::_bi::value<Gui::SelectionObserver*>, boost::arg<1> >::operator()<boost::_mfi::mf1<void, Gui::SelectionObserver, Gui::SelectionChanges const&>, boost::_bi::rrlist1<Gui::SelectionChanges const&> >(boost::_bi::type<void>, boost::_mfi::mf1<void, Gui::SelectionObserver, Gui::SelectionChanges const&>&, boost::_bi::rrlist1<Gui::SelectionChanges const&>&, int) from /usr/local/lib/libFreeCADGui.so+0x6f
#15  0x7f45b3b119e5 in void boost::_bi::bind_t<void, boost::_mfi::mf1<void, Gui::SelectionObserver, Gui::SelectionChanges const&>, boost::_bi::list2<boost::_bi::value<Gui::SelectionObserver*>, boost::arg<1> > >::operator()<Gui::SelectionChanges const&>(Gui::SelectionChanges const&) from /usr/local/lib/libFreeCADGui.so+0x53
#16  0x7f45b3b108d0 in boost::detail::function::void_function_obj_invoker1<boost::_bi::bind_t<void, boost::_mfi::mf1<void, Gui::SelectionObserver, Gui::SelectionChanges const&>, boost::_bi::list2<boost::_bi::value<Gui::SelectionObserver*>, boost::arg<1> > >, void, Gui::SelectionChanges const&>::invoke(boost::detail::function::function_buffer&, Gui::SelectionChanges const&) from /usr/local/lib/libFreeCADGui.so+0x2f
#17  0x7f45b356520a in boost::function1<void, Gui::SelectionChanges const&>::operator()(Gui::SelectionChanges const&) const from /usr/local/lib/libFreeCADGui.so+0x70
#18  0x7f45b3562dc4 in boost::signals2::detail::void_type boost::signals2::detail::call_with_tuple_args<boost::signals2::detail::void_type>::m_invoke<boost::function<void (Gui::SelectionChanges const&)>, 0u, Gui::SelectionChanges const&>(boost::function<void (Gui::SelectionChanges const&)>&, boost::signals2::detail::unsigned_meta_array<0u>, std::tuple<Gui::SelectionChanges const&> const&, boost::enable_if<boost::is_void<boost::function<void (Gui::SelectionChanges const&)>::result_type>, void>::type*) const from /usr/local/lib/libFreeCADGui.so+0x3a
#19  0x7f45b355fc7e in boost::signals2::detail::void_type boost::signals2::detail::call_with_tuple_args<boost::signals2::detail::void_type>::operator()<boost::function<void (Gui::SelectionChanges const&)>, Gui::SelectionChanges const&, 1ul>(boost::function<void (Gui::SelectionChanges const&)>&, std::tuple<Gui::SelectionChanges const&> const&, mpl_::size_t<1ul>) const from /usr/local/lib/libFreeCADGui.so+0x32
#20  0x7f45b355be8d in boost::signals2::detail::void_type boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, Gui::SelectionChanges const&>::operator()<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (Gui::SelectionChanges const&), boost::function<void (Gui::SelectionChanges const&)> >, boost::signals2::mutex> > >(boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (Gui::SelectionChanges const&), boost::function<void (Gui::SelectionChanges const&)> >, boost::signals2::mutex> > const&) const from /usr/local/lib/libFreeCADGui.so+0x5b
#21  0x7f45b355741b in boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, Gui::SelectionChanges const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (Gui::SelectionChanges const&), boost::function<void (Gui::SelectionChanges const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (Gui::SelectionChanges const&), boost::function<void (Gui::SelectionChanges const&)> >, boost::signals2::mutex> >::dereference() const from /usr/local/lib/libFreeCADGui.so+0x67
#22  0x7f45b3552468 in boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, Gui::SelectionChanges const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (Gui::SelectionChanges const&), boost::function<void (Gui::SelectionChanges const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (Gui::SelectionChanges const&), boost::function<void (Gui::SelectionChanges const&)> >, boost::signals2::mutex> >::reference boost::iterators::iterator_core_access::dereference<boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, Gui::SelectionChanges const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (Gui::SelectionChanges const&), boost::function<void (Gui::SelectionChanges const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (Gui::SelectionChanges const&), boost::function<void (Gui::SelectionChanges const&)> >, boost::signals2::mutex> > >(boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, Gui::SelectionChanges const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (Gui::SelectionChanges const&), boost::function<void (Gui::SelectionChanges const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (Gui::SelectionChanges const&), boost::function<void (Gui::SelectionChanges const&)> >, boost::signals2::mutex> > const&) from /usr/local/lib/libFreeCADGui.so+0x1c
#23  0x7f45b354d0e4 in boost::iterators::detail::iterator_facade_base<boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, Gui::SelectionChanges const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (Gui::SelectionChanges const&), boost::function<void (Gui::SelectionChanges const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (Gui::SelectionChanges const&), boost::function<void (Gui::SelectionChanges const&)> >, boost::signals2::mutex> >, boost::signals2::detail::void_type, boost::iterators::single_pass_traversal_tag, boost::signals2::detail::void_type const&, long, false, false>::operator*() const from /usr/local/lib/libFreeCADGui.so+0x24
#24  0x7f45b3546d3f in void boost::signals2::optional_last_value<void>::operator()<boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, Gui::SelectionChanges const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (Gui::SelectionChanges const&), boost::function<void (Gui::SelectionChanges const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (Gui::SelectionChanges const&), boost::function<void (Gui::SelectionChanges const&)> >, boost::signals2::mutex> > >(boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, Gui::SelectionChanges const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (Gui::SelectionChanges const&), boost::function<void (Gui::SelectionChanges const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (Gui::SelectionChanges const&), boost::function<void (Gui::SelectionChanges const&)> >, boost::signals2::mutex> >, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, Gui::SelectionChanges const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (Gui::SelectionChanges const&), boost::function<void (Gui::SelectionChanges const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (Gui::SelectionChanges const&), boost::function<void (Gui::SelectionChanges const&)> >, boost::signals2::mutex> >) const from /usr/local/lib/libFreeCADGui.so+0x1b
#25  0x7f45b353eddc in void boost::signals2::detail::combiner_invoker<void>::operator()<boost::signals2::optional_last_value<void>, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, Gui::SelectionChanges const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (Gui::SelectionChanges const&), boost::function<void (Gui::SelectionChanges const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (Gui::SelectionChanges const&), boost::function<void (Gui::SelectionChanges const&)> >, boost::signals2::mutex> > >(boost::signals2::optional_last_value<void>&, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, Gui::SelectionChanges const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (Gui::SelectionChanges const&), boost::function<void (Gui::SelectionChanges const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (Gui::SelectionChanges const&), boost::function<void (Gui::SelectionChanges const&)> >, boost::signals2::mutex> >, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, Gui::SelectionChanges const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (Gui::SelectionChanges const&), boost::function<void (Gui::SelectionChanges const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (Gui::SelectionChanges const&), boost::function<void (Gui::SelectionChanges const&)> >, boost::signals2::mutex> >) const from /usr/local/lib/libFreeCADGui.so+0x38
#26  0x7f45b3536b90 in boost::signals2::detail::signal_impl<void (Gui::SelectionChanges const&), boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void (Gui::SelectionChanges const&)>, boost::function<void (boost::signals2::connection const&, Gui::SelectionChanges const&)>, boost::signals2::mutex>::operator()(Gui::SelectionChanges const&) from /usr/local/lib/libFreeCADGui.so+0x25a
#27  0x7f45b352f9a0 in boost::signals2::signal<void (Gui::SelectionChanges const&), boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void (Gui::SelectionChanges const&)>, boost::function<void (boost::signals2::connection const&, Gui::SelectionChanges const&)>, boost::signals2::mutex>::operator()(Gui::SelectionChanges const&) from /usr/local/lib/libFreeCADGui.so+0x36
#28  0x7f45b3aec29a in Gui::SelectionSingleton::notify(Gui::SelectionChanges&&) from /usr/local/lib/libFreeCADGui.so+0x654
#29  0x7f45b3af6cde in Gui::SelectionSingleton::slotDeletedObject(App::DocumentObject const&) from /usr/local/lib/libFreeCADGui.so+0x512
#30  0x7f45b3b13e28 in boost::_mfi::mf1<void, Gui::SelectionSingleton, App::DocumentObject const&>::operator()(Gui::SelectionSingleton*, App::DocumentObject const&) const from /usr/local/lib/libFreeCADGui.so+0x74
#31  0x7f45b3b13431 in void boost::_bi::list2<boost::_bi::value<Gui::SelectionSingleton*>, boost::arg<1> >::operator()<boost::_mfi::mf1<void, Gui::SelectionSingleton, App::DocumentObject const&>, boost::_bi::rrlist1<App::DocumentObject const&> >(boost::_bi::type<void>, boost::_mfi::mf1<void, Gui::SelectionSingleton, App::DocumentObject const&>&, boost::_bi::rrlist1<App::DocumentObject const&>&, int) from /usr/local/lib/libFreeCADGui.so+0x6f
#32  0x7f45b3b126b3 in void boost::_bi::bind_t<void, boost::_mfi::mf1<void, Gui::SelectionSingleton, App::DocumentObject const&>, boost::_bi::list2<boost::_bi::value<Gui::SelectionSingleton*>, boost::arg<1> > >::operator()<App::DocumentObject const&>(App::DocumentObject const&) from /usr/local/lib/libFreeCADGui.so+0x53
#33  0x7f45b3b11754 in boost::detail::function::void_function_obj_invoker1<boost::_bi::bind_t<void, boost::_mfi::mf1<void, Gui::SelectionSingleton, App::DocumentObject const&>, boost::_bi::list2<boost::_bi::value<Gui::SelectionSingleton*>, boost::arg<1> > >, void, App::DocumentObject const&>::invoke(boost::detail::function::function_buffer&, App::DocumentObject const&) from /usr/local/lib/libFreeCADGui.so+0x2f
#34  0x7f45b11f610e in boost::function1<void, App::DocumentObject const&>::operator()(App::DocumentObject const&) const from /usr/local/lib/libFreeCADApp.so+0x70
#35  0x7f45b11ee7fc in boost::signals2::detail::void_type boost::signals2::detail::call_with_tuple_args<boost::signals2::detail::void_type>::m_invoke<boost::function<void (App::DocumentObject const&)>, 0u, App::DocumentObject const&>(boost::function<void (App::DocumentObject const&)>&, boost::signals2::detail::unsigned_meta_array<0u>, std::tuple<App::DocumentObject const&> const&, boost::enable_if<boost::is_void<boost::function<void (App::DocumentObject const&)>::result_type>, void>::type*) const from /usr/local/lib/libFreeCADApp.so+0x3a
#36  0x7f45b11e50e2 in boost::signals2::detail::void_type boost::signals2::detail::call_with_tuple_args<boost::signals2::detail::void_type>::operator()<boost::function<void (App::DocumentObject const&)>, App::DocumentObject const&, 1ul>(boost::function<void (App::DocumentObject const&)>&, std::tuple<App::DocumentObject const&> const&, mpl_::size_t<1ul>) const from /usr/local/lib/libFreeCADApp.so+0x32
#37  0x7f45b11d65e5 in boost::signals2::detail::void_type boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, App::DocumentObject const&>::operator()<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >(boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > const&) const from /usr/local/lib/libFreeCADApp.so+0x5b
#38  0x7f45b11c269f in boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, App::DocumentObject const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> >::dereference() const from /usr/local/lib/libFreeCADApp.so+0x67
#39  0x7f45b11adca8 in boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, App::DocumentObject const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> >::reference boost::iterators::iterator_core_access::dereference<boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, App::DocumentObject const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >(boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, App::DocumentObject const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > const&) from /usr/local/lib/libFreeCADApp.so+0x1c
#40  0x7f45b119469c in boost::iterators::detail::iterator_facade_base<boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, App::DocumentObject const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> >, boost::signals2::detail::void_type, boost::iterators::single_pass_traversal_tag, boost::signals2::detail::void_type const&, long, false, false>::operator*() const from /usr/local/lib/libFreeCADApp.so+0x24
#41  0x7f45b1173975 in void boost::signals2::optional_last_value<void>::operator()<boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, App::DocumentObject const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >(boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, App::DocumentObject const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> >, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, App::DocumentObject const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> >) const from /usr/local/lib/libFreeCADApp.so+0x1b
#42  0x7f45b114f480 in void boost::signals2::detail::combiner_invoker<void>::operator()<boost::signals2::optional_last_value<void>, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, App::DocumentObject const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >(boost::signals2::optional_last_value<void>&, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, App::DocumentObject const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> >, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, App::DocumentObject const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> >) const from /usr/local/lib/libFreeCADApp.so+0x38
#43  0x7f45b11309a6 in boost::signals2::detail::signal_impl<void (App::DocumentObject const&), boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void (App::DocumentObject const&)>, boost::function<void (boost::signals2::connection const&, App::DocumentObject const&)>, boost::signals2::mutex>::operator()(App::DocumentObject const&) from /usr/local/lib/libFreeCADApp.so+0x25a
#44  0x7f45b1119ae2 in boost::signals2::signal<void (App::DocumentObject const&), boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void (App::DocumentObject const&)>, boost::function<void (boost::signals2::connection const&, App::DocumentObject const&)>, boost::signals2::mutex>::operator()(App::DocumentObject const&) from /usr/local/lib/libFreeCADApp.so+0x36
#45  0x7f45b1538d14 in App::Application::slotDeletedObject(App::DocumentObject const&) from /usr/local/lib/libFreeCADApp.so+0x2e
#46  0x7f45b1572876 in void std::__invoke_impl<void, void (App::Application::*&)(App::DocumentObject const&), App::Application*&, App::DocumentObject const&>(std::__invoke_memfun_deref, void (App::Application::*&)(App::DocumentObject const&), App::Application*&, App::DocumentObject const&) from /usr/local/lib/libFreeCADApp.so+0x81
#47  0x7f45b1571b15 in std::__invoke_result<void (App::Application::*&)(App::DocumentObject const&), App::Application*&, App::DocumentObject const&>::type std::__invoke<void (App::Application::*&)(App::DocumentObject const&), App::Application*&, App::DocumentObject const&>(void (App::Application::*&)(App::DocumentObject const&), App::Application*&, App::DocumentObject const&) from /usr/local/lib/libFreeCADApp.so+0x53
#48  0x7f45b1570876 in void std::_Bind<void (App::Application::*(App::Application*, std::_Placeholder<1>))(App::DocumentObject const&)>::__call<void, App::DocumentObject const&, 0ul, 1ul>(std::tuple<App::DocumentObject const&>&&, std::_Index_tuple<0ul, 1ul>) from /usr/local/lib/libFreeCADApp.so+0x88
#49  0x7f45b156f39e in void std::_Bind<void (App::Application::*(App::Application*, std::_Placeholder<1>))(App::DocumentObject const&)>::operator()<App::DocumentObject const&, void>(App::DocumentObject const&) from /usr/local/lib/libFreeCADApp.so+0x54
#50  0x7f45b156da79 in boost::detail::function::void_function_obj_invoker1<std::_Bind<void (App::Application::*(App::Application*, std::_Placeholder<1>))(App::DocumentObject const&)>, void, App::DocumentObject const&>::invoke(boost::detail::function::function_buffer&, App::DocumentObject const&) from /usr/local/lib/libFreeCADApp.so+0x2f
#51  0x7f45b11f610e in boost::function1<void, App::DocumentObject const&>::operator()(App::DocumentObject const&) const from /usr/local/lib/libFreeCADApp.so+0x70
#52  0x7f45b11ee7fc in boost::signals2::detail::void_type boost::signals2::detail::call_with_tuple_args<boost::signals2::detail::void_type>::m_invoke<boost::function<void (App::DocumentObject const&)>, 0u, App::DocumentObject const&>(boost::function<void (App::DocumentObject const&)>&, boost::signals2::detail::unsigned_meta_array<0u>, std::tuple<App::DocumentObject const&> const&, boost::enable_if<boost::is_void<boost::function<void (App::DocumentObject const&)>::result_type>, void>::type*) const from /usr/local/lib/libFreeCADApp.so+0x3a
#53  0x7f45b11e50e2 in boost::signals2::detail::void_type boost::signals2::detail::call_with_tuple_args<boost::signals2::detail::void_type>::operator()<boost::function<void (App::DocumentObject const&)>, App::DocumentObject const&, 1ul>(boost::function<void (App::DocumentObject const&)>&, std::tuple<App::DocumentObject const&> const&, mpl_::size_t<1ul>) const from /usr/local/lib/libFreeCADApp.so+0x32
#54  0x7f45b11d65e5 in boost::signals2::detail::void_type boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, App::DocumentObject const&>::operator()<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >(boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > const&) const from /usr/local/lib/libFreeCADApp.so+0x5b
#55  0x7f45b11c269f in boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, App::DocumentObject const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> >::dereference() const from /usr/local/lib/libFreeCADApp.so+0x67
#56  0x7f45b11adca8 in boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, App::DocumentObject const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> >::reference boost::iterators::iterator_core_access::dereference<boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, App::DocumentObject const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >(boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, App::DocumentObject const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > const&) from /usr/local/lib/libFreeCADApp.so+0x1c
#57  0x7f45b119469c in boost::iterators::detail::iterator_facade_base<boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, App::DocumentObject const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> >, boost::signals2::detail::void_type, boost::iterators::single_pass_traversal_tag, boost::signals2::detail::void_type const&, long, false, false>::operator*() const from /usr/local/lib/libFreeCADApp.so+0x24
#58  0x7f45b1173975 in void boost::signals2::optional_last_value<void>::operator()<boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, App::DocumentObject const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >(boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, App::DocumentObject const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> >, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, App::DocumentObject const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> >) const from /usr/local/lib/libFreeCADApp.so+0x1b
#59  0x7f45b114f480 in void boost::signals2::detail::combiner_invoker<void>::operator()<boost::signals2::optional_last_value<void>, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, App::DocumentObject const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >(boost::signals2::optional_last_value<void>&, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, App::DocumentObject const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> >, boost::signals2::detail::slot_call_iterator_t<boost::signals2::detail::variadic_slot_invoker<boost::signals2::detail::void_type, App::DocumentObject const&>, std::_List_iterator<boost::shared_ptr<boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> > >, boost::signals2::detail::connection_body<std::pair<boost::signals2::detail::slot_meta_group, boost::optional<int> >, boost::signals2::slot<void (App::DocumentObject const&), boost::function<void (App::DocumentObject const&)> >, boost::signals2::mutex> >) const from /usr/local/lib/libFreeCADApp.so+0x38
#60  0x7f45b11309a6 in boost::signals2::detail::signal_impl<void (App::DocumentObject const&), boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void (App::DocumentObject const&)>, boost::function<void (boost::signals2::connection const&, App::DocumentObject const&)>, boost::signals2::mutex>::operator()(App::DocumentObject const&) from /usr/local/lib/libFreeCADApp.so+0x25a
#61  0x7f45b1119ae2 in boost::signals2::signal<void (App::DocumentObject const&), boost::signals2::optional_last_value<void>, int, std::less<int>, boost::function<void (App::DocumentObject const&)>, boost::function<void (boost::signals2::connection const&, App::DocumentObject const&)>, boost::signals2::mutex>::operator()(App::DocumentObject const&) from /usr/local/lib/libFreeCADApp.so+0x36
#62  0x7f45b11002e4 in App::Document::removeObject(char const*) from /usr/local/lib/libFreeCADApp.so+0x58c
#63  0x7f45b110127f in App::Document::removeObjects(std::vector<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::allocator<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > const&) from /usr/local/lib/libFreeCADApp.so+0x1e5
#64  0x7f45b3238a74 in StdCmdDelete::activated(int) from /usr/local/lib/libFreeCADGui.so+0xc12
#65  0x7f45b3216c96 in Gui::Command::_invoke(int, bool) from /usr/local/lib/libFreeCADGui.so+0x2c0
#66  0x7f45b3216987 in Gui::Command::invoke(int, Gui::Command::TriggerSource) from /usr/local/lib/libFreeCADGui.so+0x19b
#67  0x7f45b31c890a in Gui::Action::onActivated() from /usr/local/lib/libFreeCADGui.so+0x2a
#68  /usr/local/lib/libFreeCADGui.so(+0x17be25b) [0x7f45b31dc25b]
#69  /usr/lib/x86_64-linux-gnu/libQt5Core.so.5(+0x2f17c8) [0x7f45af39d7c8]
#70  0x7f45afe50be6 in QAction::triggered(bool) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x46
#71  0x7f45afe538fc in QAction::activate(QAction::ActionEvent) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0xac
#72  0x7f45b32a4a62 in Gui::ShortcutManager::onTimer() from /usr/local/lib/libFreeCADGui.so+0x164
#73  0x7f45b32a369b in Gui::ShortcutManager::checkShortcut(QObject*, QKeySequence const&) from /usr/local/lib/libFreeCADGui.so+0x2a9
#74  0x7f45b32a3a3b in Gui::ShortcutManager::eventFilter(QObject*, QEvent*) from /usr/local/lib/libFreeCADGui.so+0xcf
#75  0x7f45af365a5e in QCoreApplicationPrivate::sendThroughApplicationEventFilters(QObject*, QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5+0x8e
#76  0x7f45afe57750 in QApplicationPrivate::notify_helper(QObject*, QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0xc0
#77  0x7f45b317f7d5 in Gui::GUIApplication::notify(QObject*, QEvent*) from /usr/local/lib/libFreeCADGui.so+0x115
#78  0x7f45af365e3a in QCoreApplication::notifyInternal2(QObject*, QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5+0x13a
#79  0x7f45af77e104 in QShortcutMap::dispatchEvent(QKeyEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5+0x454
#80  0x7f45af77eab3 in QShortcutMap::tryShortcut(QKeyEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5+0x63
#81  0x7f45af726f32 in QWindowSystemInterface::handleShortcutEvent(QWindow*, unsigned long, int, QFlags<Qt::KeyboardModifier>, unsigned int, unsigned int, unsigned int, QString const&, bool, unsigned short) from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5+0x192
#82  0x7f45af74a3df in QGuiApplicationPrivate::processKeyEvent(QWindowSystemInterfacePrivate::KeyEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5+0x8f
#83  /usr/lib/x86_64-linux-gnu/qt5/plugins/platforminputcontexts/libibusplatforminputcontextplugin.so(+0xc0b4) [0x7f45a00980b4]
#84  /usr/lib/x86_64-linux-gnu/libQt5Core.so.5(+0x2f1793) [0x7f45af39d793]
#85  0x7f45a3919e83 in QDBusPendingCallWatcher::finished(QDBusPendingCallWatcher*) from /usr/lib/x86_64-linux-gnu/libQt5DBus.so.5+0x43
#86  0x7f45af39341e in QObject::event(QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5+0x2ae
#87  0x7f45afe57713 in QApplicationPrivate::notify_helper(QObject*, QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5+0x83
#88  0x7f45b317f7d5 in Gui::GUIApplication::notify(QObject*, QEvent*) from /usr/local/lib/libFreeCADGui.so+0x115
#89  0x7f45af365e3a in QCoreApplication::notifyInternal2(QObject*, QEvent*) from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5+0x13a
#90  0x7f45af368f27 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5+0x187
#91  /usr/lib/x86_64-linux-gnu/libQt5Core.so.5(+0x313a67) [0x7f45af3bfa67]
#92  /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_context_dispatch+0x26b) [0x7f45ac73dd1b]
#93  /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0(+0xaa6f8) [0x7f45ac7926f8]
#94  /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0(g_main_context_iteration+0x33) [0x7f45ac73b3c3]
#95  0x7f45af3bf0b8 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5+0x68
#96  0x7f45af36475b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5+0x12b
#97  0x7f45af36ccf4 in QCoreApplication::exec() from /usr/lib/x86_64-linux-gnu/libQt5Core.so.5+0x94
#98  0x7f45b2fe22d1 in Gui::Application::runApplication() from /usr/local/lib/libFreeCADGui.so+0x62b
#99  FreeCAD(+0xaa84) [0x561c42870a84]
#100  /usr/lib/x86_64-linux-gnu/libc.so.6(+0x29d90) [0x7f45ae1e8d90]
#101  /usr/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0x80) [0x7f45ae1e8e40]
#102  FreeCAD(+0x9aa5) [0x561c4286faa5]

[wsteffe]

Here annexed also the related FC document
CoaxFilt_7_2_v7.zip

I have just reverted back to commit 16cf7b0 which has fixed this problem.

[realthunder]

Please try with the above commit and see if it is fixed.

[wsteffe]

Yes, sorry. I had written last post without seeing you had already fixed.