This article cannot be canceled or superseded, because its message-id has not been created by KNode. But you can look for your article in the newsgroup and cancel (or supersede) it there.
Aquest article no es pot cancel· lar o modificar, atès que el seu identificador no ha estat creat per KNode. Podeu cercar el vostre article en el grup de noticies i cancel· lar- lo (o modificar- lo) allí.