Here is the output from the terminal:
Code:
$ gmameui
progname=gmameui; RGBA=on
** (gmameui:20135): WARNING **: Couldn't find themed icon for "gmameui-view-list"
** (gmameui:20135): WARNING **: Couldn't find themed icon for "gmameui-view-tree"
** (gmameui:20135): WARNING **: Couldn't find themed icon for "gmameui-view-folders"
** (gmameui:20135): WARNING **: Couldn't find themed icon for "gmameui-view-screenshot"
** (gmameui:20135): WARNING **: Couldn't find themed icon for "gmameui-emblem-played"
** (gmameui:20135): WARNING **: Couldn't find themed icon for "gmameui-emblem-date"
(gmameui:20135): Gtk-CRITICAL **: IA__gtk_paned_set_position: assertion `GTK_IS_PANED (paned)' failed
(gmameui:20135): Gtk-CRITICAL **: IA__gtk_widget_hide: assertion `GTK_IS_WIDGET (widget)' failed
(gmameui:20135): GLib-GObject-CRITICAL **: g_type_class_add_private: assertion `private_size > 0' failed
(gmameui:20135): GLib-GObject-WARNING **: g_type_instance_get_private() requires a prior call to g_type_class_add_private()
** (gmameui:20135): CRITICAL **: mame_gamelist_view_update_filter: assertion `gamelist_view != NULL' failed
** (gmameui:20135): CRITICAL **: mame_gamelist_get_categories_glist: assertion `gl->priv->categories != NULL' failed
** (gmameui:20135): CRITICAL **: mame_gamelist_get_versions_glist: assertion `gl->priv->versions != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** Message: Loading gamelist /home/MrDo/.config/gmameui/gamelist
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** Message: Loaded 8831 roms by 981 manufacturers covering 34 years.
** Message: with 234 games supporting samples.
** (gmameui:20135): CRITICAL **: mame_gamelist_get_categories_glist: assertion `gl->priv->categories != NULL' failed
** (gmameui:20135): CRITICAL **: mame_gamelist_get_versions_glist: assertion `gl->priv->versions != NULL' failed
** Message: catver not loaded, using default values
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
** (gmameui:20135): CRITICAL **: on_image_container_resized: assertion `picture_type->orig_pixbuf != NULL' failed
(gmameui:20135): GLib-CRITICAL **: g_hash_table_lookup: assertion `hash_table != NULL' failed
(gmameui:20135): GLib-GObject-CRITICAL **: g_object_unref: assertion `G_IS_OBJECT (object)' failed
** Message: Exiting GMAMEUI...
** Message: Finished cleaning up GMAMEUI