Lo-Fi Games

It turned out that I was moving the building using the shift f12 editor, and as soon as I place a storage for armor on the roof of this building, for example, the game crashes. Tengu has nothing to do with it.

Does it happen when you build anywhere else? Can you post a save of it?

I would suggest you make sure your graphics drivers are updated. I also notice you have a lot of bad zone data errors, would perhaps be worth importing your save to refresh it.

here is a save where, on my base, if you start building a building, then after saving it, it is no longer possible to upload. I think I used shift f12 and moved the building, I do not know, here is my save, it is more than 10 megabytes. (14,5 Mb) https://drive.google.com/file/d/1eIpFXl ... drive_link

I tried to transfer the game, but the problem did not disappear. (but part of my fence is gone.)

Not getting this crash on my end. Can place objects on any roof as far as I can tell.

Is this a consistent issue, or does it only happen when using the Shift +F12 menu?

You can build anything you want on this base, the most important thing is that it is not possible to save and load the game after that. And by the way, if you start building buildings outside the base, save/load, everything is fine.
Build a building on this base, save/load, crash game.
I had 4 bases displayed on the map. But in fact there were only 2. In the developer editor (shift f12) I deleted the two unnecessary town placements. I also moved one of them so that its borders did not intersect with the NPC town. Although after saving and loading it returned back. The game stopped crashing.