Not sure if this is related but this is printed to the command line when creating a 3D box:
** (inkscape:3177): CRITICAL **: virtual void Inkscape::XML::SimpleNode::changeOrder(Inkscape::XML::Node*, Inkscape::XML::Node*): assertion 'child != ref' failed
Next, after a second 3D box has been drawn and while SHIFT-dragging the vanishing point:
(inkscape:3177): GLib-GObject-WARNING **: instance of invalid non-instantiatable type '(null)'
(inkscape:3177): GLib-GObject-CRITICAL **: g_signal_handlers_disconnect_matched: assertion 'G_TYPE_CHECK_INSTANCE (instance)' failed
Not sure if this is related but this is printed to the command line when creating a 3D box:
** (inkscape:3177): CRITICAL **: virtual void Inkscape: :XML::SimpleNod e::changeOrder( Inkscape: :XML::Node* , Inkscape: :XML::Node* ): assertion 'child != ref' failed
** (inkscape:3177): CRITICAL **: virtual void Inkscape: :XML::SimpleNod e::changeOrder( Inkscape: :XML::Node* , Inkscape: :XML::Node* ): assertion 'child != ref' failed
Next, after a second 3D box has been drawn and while SHIFT-dragging the vanishing point:
(inkscape:3177): GLib-GObject- WARNING **: instance of invalid non-instantiatable type '(null)'
(inkscape:3177): GLib-GObject- CRITICAL **: g_signal_ handlers_ disconnect_ matched: assertion 'G_TYPE_ CHECK_INSTANCE (instance)' failed