We've encountered the infamous BUG-4, a problem so elusive, so cunning, so utterly UNFIXABLE. Our best engineers have tried and failed, their sanity slipping away with each passing attempt.
Proceed to BUG-5: The Even-Weirder Menace to see if you can outsmart the unfixables.
Or, if you're feeling adventurous, try Theories of the Unfixable to understand the intricacies of this enigmatic bug.