Openoffice.org 2.3 Impress crashes after setting custom animation

OO.o 2.3 Impress crashes constantly after setting custom animation (from the tabs on right sidebar) and attempting to move to another slide (does not matter whether by PgUp/PgDn or with mouse). Running ooimpress from terminal shows the following message after the crash:

** (soffice:20782): CRITICAL **: AtkObject* atk_object_wrapper_ref(const com::sun::star::uno::Reference<com::sun::star::accessibility::XAccessible>&, bool): assertion `rxAccessible.get() != NULL' failed

The crash has been constant (100% frequency) since the official release of Gutsy. I am not sure, but I think I did not run into it when using beta (went to Gutsy a week before the official release).

Of the mentioned solutions, changing the theme does not help (tried Human and others, as well as customising). Removing openoffice.org-gtk seems to solve it but turns the software dead ugly on screen. Using the vanilla packages from http://www.openoffice.org did not solve it either (tried both debs and alien-ed rpms). Reinstalling the whole system does not solve it.