The old cataclysm vivat is referring to is the first Cataclysm, the post-apocalyptic roguelike that Cataclysm: Dark Days Ahead was based on, rather than one of the stable builds of DDA. The first paragraph in the introductory post is explaining that they couldn’t pulp corpses, presumably because the corpses were already pre-pulped by some other factor, but not beyond reviving. If I’m understanding correctly, there is also a problem where they stacked all of the corpses, and possibly items, into one pile and tried to butcher one object or corpse in the pile, but ended up butchering another.
This lead to the second paragraph, which was a story of a time that they played the aforementioned first Cataclysm, the one that DDA was based on, and encountered a similar problem where the game (the first Cataclysm) assigned the same hotkey to two different items, a bottle and a pair of pants. The “Enumerator problem” name of the topic seems to have arisen because vivat called the process that automatically assigned hotkeys the “enumerator” because it gave a number, or in this case a key.
The third is a story about a train or some other rail-based locomotive that seems to have had two carts labelled number 9. vivat is saying that one number 9 came after 8, and the other before 10. It’s interesting because both were technically correctly positioned, depending on where you looked at it from, but it was irrefutable that there were two number 9s.
The conclusion is that the enumerator, or the process that assigns hotkeys, might have made a similar mistake.
I could be misunderstanding something, though.