404. That’s an error.
The requested URL /add?source=atgs&feedurl=http%3A%2F%2Ftrcb.com%2Frss%2FArticle%2FKilling-Culture-How-Language-Extinction-Harms-Humanity-50556.xml was not found on this server. That’s all we know.
/add?source=atgs&feedurl=http%3A%2F%2Ftrcb.com%2Frss%2FArticle%2FKilling-Culture-How-Language-Extinction-Harms-Humanity-50556.xml