Lets personal construction bots save energy and time by building and deconstructing close things first
Providing the player with new tools or adjusting the game interface, without fundamentally changing gameplay.
https://imgur.com/a/XqONuAr
Thanks for the report. I have no idea what happened or how to reproduce it, but I added some code to avoid crashing now. Perhaps the roboport will be lost to the void, but shouldn't crash.