404. That’s an error.
The requested URL /tables?source=ft2573812&q=dog+weights&ei=ZJkHXe7PG4akpQOuk4mICA&sa=N&start=10 was not found on this server. That’s all we know.
/tables?source=ft2573812&q=dog+weights&ei=ZJkHXe7PG4akpQOuk4mICA&sa=N&start=10