This crash occurred during hand folding on 1790. No debug.txt, but log.txt had some info.

Here's the end of log.txt:

rotate mouse down

UNHANDLED EXCEPTION
  1: interactive::application::shared::ToolActionBridgeMixin::create_and_launch_bridge_action +64 bytes (no line)
  2: interactive::application::tools::SelectionTool::motion_callback +151 bytes (no line)
  3: interactive::util::detail::checked_fxn_wrapper,interactive::util::access_ptr)>::operator() &,interactive::poseview::NewMotionControlGeom * &,bool (__thiscall interactive::application::tools::SelectionTool::*)(interactive::util::owning_ptr,interactive::util::access_ptr),0> +110 bytes (no line)
  4: boost::detail::function::function_obj_invoker3,interactive::util::access_ptr)>,boost::_bi::list3 >,boost::_bi::value >,boost::_bi::value > >,bool,numeric::xyzVector const &,numeric::xyzVector const &,double>::invoke +38 bytes (no line)
  5: boost::function3 const &,numeric::xyzVector const &,double>::operator() +139 bytes (no line)
  6: interactive::poseview::NewMotionControlGeom::do_z_rot +975 bytes (no line)
  7: interactive::poseview::NewMotionControlGeom::rot_on_mouse_move +256 bytes (no line)
  8: interactive::util::detail::checked_fxn_wrapper)>::operator() &,void (__thiscall interactive::poseview::NewMotionControlGeom::*)(interactive::gui::Point2D const &,interactive::util::owning_ptr),0> +97 bytes (no line)
  9: boost::detail::function::void_function_obj_invoker2)>,boost::_bi::list3 >,boost::arg<1>,boost::_bi::value > > >,void,interactive::gui::Point2D const &,int>::invoke +35 bytes (no line)
 10: boost::function2::operator() +126 bytes (no line)
 11: interactive::gui::EventHandler::on_mouse_move +87 bytes (no line)
 12: interactive::gui::TopLevel::on_mouse_move +224 bytes (no line)
 13: interactive::guiwrapper::GUIWrapper::generic_mouse_motion_func +308 bytes (no line)
 14: interactive::util::detail::checked_fxn_wrapper::operator() +83 bytes (no line)
 15: boost::detail::function::void_function_obj_invoker0,boost::_bi::list3 >,boost::_bi::value,boost::_bi::value > >,void>::invoke +36 bytes (no line)
 16: boost::function0::operator() +120 bytes (no line)
 17: interactive::guiwrapper::GUIWrapper::enqueue_event +76 bytes (no line)
 18: interactive::guiwrapper::win32::Win32Wrapper::win_mouse_motion_func +98 bytes (no line)
 19: interactive::guiwrapper::win32::Win32Wrapper::WndProc +773 bytes (no line)
 20: AddClipboardFormatListener +75 bytes (no line)
 21: CallWindowProcW +2860 bytes (no line)
 22: CallWindowProcW +127 bytes (no line)
 23: glDebugEntry +3614 bytes (no line)
 24: AddClipboardFormatListener +75 bytes (no line)
 25: CallWindowProcW +2860 bytes (no line)
 26: DispatchMessageW +558 bytes (no line)
 27: DispatchMessageA +16 bytes (no line)
 28: interactive::guiwrapper::win32::Win32Wrapper::start +341 bytes (no line)
 29: interactive::application::interactive_main +2622 bytes (no line)
 30: game::application::game_main +1321 bytes (no line)
 31: library_main +21 bytes (no line)
 32: no symbol (no line)
 33: no symbol (no line)
 34: no symbol (no line)
 35: BaseThreadInitThunk +25 bytes (no line)
 36: RtlGetAppContainerNamedObjectPath +228 bytes (no line)
 37: RtlGetAppContainerNamedObjectPath +180 bytes (no line)