(lldb) r
Process 73987 launched: '/Users/su_v/TEMP/inkscape-dist/inkscape-0.92.0-x11-inst/bin/inkscape' (x86_64)

** (inkscape:73987): CRITICAL **: void sp_lpe_item_update_patheffect(SPLPEItem *, bool, bool): assertion 'SP_IS_LPE_ITEM (lpeitem)' failed
Process 73987 stopped
* thread #1: tid = 0x4103, 0x000000010483fb5d libc++abi.dylib`__dynamic_cast + 31, stop reason = EXC_BAD_ACCESS (code=13, address=0x0)
    frame #0: 0x000000010483fb5d libc++abi.dylib`__dynamic_cast + 31
libc++abi.dylib`__dynamic_cast + 31:
-> 0x10483fb5d:  movq   -16(%rax), %r8
   0x10483fb61:  addq   %r12, %r8
   0x10483fb64:  movq   -8(%rax), %rdi
   0x10483fb68:  movq   $0, -56(%rbp)
(lldb) bt
* thread #1: tid = 0x4103, 0x000000010483fb5d libc++abi.dylib`__dynamic_cast + 31, stop reason = EXC_BAD_ACCESS (code=13, address=0x0)
    frame #0: 0x000000010483fb5d libc++abi.dylib`__dynamic_cast + 31
    frame #1: 0x00000001007d4a4c libinkscape_base.dylib`sp_lpe_item_update_patheffect(SPLPEItem*, bool, bool) + 60
    frame #2: 0x0000000100205bcb libinkscape_base.dylib`Inkscape::LivePathEffect::LPEPatternAlongPath::transform_multiply(Geom::Affine const&, bool) + 363
    frame #3: 0x00000001007d1378 libinkscape_base.dylib`SPItem::adjust_livepatheffect(Geom::Affine const&, bool) + 168
    frame #4: 0x00000001007f728c libinkscape_base.dylib`SPPath::set_transform(Geom::Affine const&) + 220
    frame #5: 0x00000001007d1ea5 libinkscape_base.dylib`SPItem::doWriteTransform(Inkscape::XML::Node*, Geom::Affine const&, Geom::Affine const*, bool) + 2693
    frame #6: 0x00000001007c6b5f libinkscape_base.dylib`sp_item_group_ungroup(SPGroup*, std::vector<SPItem*, std::allocator<SPItem*> >&, bool) + 2607
    frame #7: 0x0000000100728dac libinkscape_base.dylib`sp_selection_ungroup(Inkscape::Selection*, SPDesktop*) + 1180
    frame #8: 0x00000001000a6002 libinkscape_base.dylib`sigc::internal::signal_emit0<void, sigc::nil>::emit(sigc::internal::signal_impl*) + 162
    frame #9: 0x00000001001764ab libinkscape_base.dylib`sp_action_perform(SPAction*, void*) + 475
    frame #10: 0x00000001007498e9 libinkscape_base.dylib`sp_shortcut_invoke(unsigned int, Inkscape::UI::View::View*) + 169
    frame #11: 0x000000010018a88c libinkscape_base.dylib`on_window_key_press(_GdkEventKey*) + 76
    frame #12: 0x000000010018a96d libinkscape_base.dylib`sigc::internal::slot_call1<sigc::pointer_functor1<_GdkEventKey*, bool>, bool, _GdkEventKey*>::call_it(sigc::internal::slot_rep*, _GdkEventKey* const&) + 13
    frame #13: 0x00000001022bf1fa libgtkmm-2.4.1.dylib`(anonymous namespace)::Widget_signal_key_press_event_callback(_GtkWidget*, _GdkEventKey*, void*) + 81
    frame #14: 0x00000001026c3573 libgtk-x11-2.0.0.dylib`_gtk_marshal_BOOLEAN__BOXED + 96
    frame #15: 0x00000001015d56cb libgobject-2.0.0.dylib`g_closure_invoke + 281
    frame #16: 0x00000001015e8ce7 libgobject-2.0.0.dylib`signal_emit_unlocked_R + 2728
    frame #17: 0x00000001015e9978 libgobject-2.0.0.dylib`g_signal_emit_valist + 2850
    frame #18: 0x00000001015e9cf2 libgobject-2.0.0.dylib`g_signal_emit + 134
    frame #19: 0x00000001027ba0de libgtk-x11-2.0.0.dylib`gtk_widget_event_internal + 563
    frame #20: 0x00000001026c1881 libgtk-x11-2.0.0.dylib`gtk_propagate_event + 260
    frame #21: 0x00000001026c14ea libgtk-x11-2.0.0.dylib`gtk_main_do_event + 828
    frame #22: 0x0000000102d7afa1 libgdk-x11-2.0.0.dylib`gdk_event_dispatch + 81
    frame #23: 0x0000000101991f01 libglib-2.0.0.dylib`g_main_context_dispatch + 266
    frame #24: 0x00000001019921e0 libglib-2.0.0.dylib`g_main_context_iterate + 409
    frame #25: 0x0000000101992434 libglib-2.0.0.dylib`g_main_loop_run + 207
    frame #26: 0x00000001026c0f0d libgtk-x11-2.0.0.dylib`gtk_main + 179
    frame #27: 0x00000001000120b5 inkscape`sp_main_gui(int, char const**) + 1589
    frame #28: 0x0000000100011514 inkscape`start + 52
(lldb) q