GtkWarning: gtk_tree_model_filter_iter_has_child: assertion `filter->priv->stamp == iter->stamp' failed
/home/test/gajim/src/roster_window.py:1200: GtkWarning: gtk_tree_model_filter_iter_has_child:
assertion `filter->priv->stamp == iter->stamp' failed
have_visible_children = self.modelfilter.iter_has_child(iters[0])
Attached patch revert [12651] and I hope it fixes the problem