Hence the "sound of one hand clapping" and a disturbance in the Force as those Strong In It mentally groan, "Oh, no, not ANOTHER one." It means someone must type, yet again, "No, you cannot register it, and here's why..." because not one of these seekers of knowledge ever seems to figure out that it's possible to use the Archive Search.

Now, stop enabling me, dear. I shudder to think what my karma will be for coming up with the sobriquet "Saionji no Spike."