404. That’s an error.

The requested URL /add?feedurl=http%3A%2F%2Fwww.delcampe.net%2Fpage%2Ffeed%2Ftype%2Cdelcampeblog%2Cid%2C0%2Ccaller_id%2C1414836840655862%2Clanguage%2CE%2Cformat%2CRSS20.html was not found on this server. That’s all we know.