I tried getting a video of it, but on both my machines (one windows 10 and one mac OS 26) the bug suddenly stopped happening. I'm still on 2.0.73. I'm not sure why it stopped occurring now.

I'm quite certain i didnt manually un-mark the plant for deconstruction, but without being able to reproduce ...

Ah, i think i found the issue.

After i remove the roboport and the three landfill ghosts:

If i then force build just a roboport, it gets marked for deconstruction.

If i go into the blueprints (see "gleba roboport outpost") and force build that such that the roboport is where the ghost used to be ...

Not manually, i didn't. You can reproduce it in this save if you manually remove the ghost roboport and re-build it without touching the offending plant.

This bug (linked in 131087) looks like the one i'm experiencing:
https://forums.factorio.com/130907

If 2.1 fixes this issue on my save, then ...

On Gleba, at -468, -1680, i have this ghost building i force-built that for some reason isnt marking the plant next to it for deconstruction:

01-26-2026, 20-59-02.png

the plant is well within the construction zone of the next roboport.

Manually deconstructing the plant causes the roboport ghost ...

https://c.tenor.com/3xrcxvDvKxIAAAAd/tenor.gif

You're right. My bad

1. What did you do?

I placed an artillery turret in range of a lot of biter nests, supplied it with ammunition, and turned on automatic firing

2. What happened?

It destroyed most of them, except for a crescent sliver of nests to the west of its automatic range. after waiting for half an hour ...