### Here is a copy of the output
(screem:4621): Gtk-WARNING **: Refusing to add non-unique action 'cancel drag' t
o action group 'ScreemActions'
(screem:4621): screem-CRITICAL **: screem_page_is_feature: assertion `SCREEM_IS_
PAGE( page )' failed
(screem:4621): screem-CRITICAL **: screem_page_is_xml: assertion `SCREEM_IS_PAGE
( page )' failed
(screem:4621): Gtk-CRITICAL **: gtk_window_resize: assertion `width > 0' failed
parsing error: 21:1:could not recognize next production
(screem:4621): Gtk-CRITICAL **: file /build/buildd/gtk+2.0-2.16.1/gtk/gtktreevie
w.c: line 6142 (do_validate_rows): assertion `gtk_tree_model_iter_next (tree_vie
w->priv->model, &iter)' failed.
There is a disparity between the internal view of the GtkTreeView,
and the GtkTreeModel. This generally means that the model has changed
without letting the view know. Any display from now on is likely to
***MEMORY-ERROR***: screem: GSlice: assertion failed: sinfo->n_allocated > 0