Error messages are, by and large, cold and impersonal.  And they're also ripe for humorous interpretation.  Consider the ancient Personal Computer message from PC-DOS that gives you three choices, none of them very appealing: Abort, Retry, Ignore.

Well, someone (who? I don't know) has used these words to inspire a poem, based on Edgar Allen Poe's story, The Raven: Abort, Retry, Ignore.

Other poets have noticed the Haiku form lends itself nicely to error messages.