0.C-14934 - Repeatable CTD when receiving quest from NPC

Every time I try and accept the quest from my starting NPC I get a map gen error, followed by a crash.

Here is the quest description:

When I accept, I get the following two error messages in several variations before the game crashes.

It’s worth noting that I am doing a lab start, and both me and the NPC are five floors underground. If it matters, the top level of my map looks like this:

I think I got the same or a very similar error message getting the quest to kill bandits from the Old Guard representative, but ignoring it didn’t crash, and just spawned the bandit in the next room