Changing Title in the menu-julio-faculty-staff results error

When trying to change menu title: "Factory and Staff" in /admin/structure/menu/manage/menu-julio-faculty-staff/edit , proceeding it will produce error:

Error message:

Notice: Undefined index: og_menu_group_type in og_menu_edit_menu_form_submit() (line 866 of /srv/www/htdocs/julio/profiles/julio/modules/og_menu/og_menu.module).

Notice: Undefined index: og_menu_name in og_menu_edit_menu_form_submit() (line 868 of /srv/www/htdocs/julio/profiles/julio/modules/og_menu/og_menu.module).

PDOException: SQLSTATE[23000]: Integrity constraint violation: 1048 Column 'menu_name' cannot be null: INSERT INTO {og_menu} (menu_name, gid, group_type) VALUES (:db_insert_placeholder_0, :db_insert_placeholder_1, :db_insert_placeholder_2); Array ( [:db_insert_placeholder_0] => [:db_insert_placeholder_1] => [:db_insert_placeholder_2] => ) in og_menu_update_menu() (line 765 of /srv/www/htdocs/julio/profiles/julio/modules/og_menu/og_menu.module).

And the menu title in the page never change: