Automatically install/upgrade modules and upgrade entities using construction robots.
Providing the player with new tools or adjusting the game interface, without fundamentally changing gameplay.
When trying to add a bob module to an upgrade, this happens: https://i.imgur.com/LSZDHk9.png
Thanks, I'll take a look at it.
This issue is fixed for AU version 1.0.0 which I intend to release once Factorio 0.14.14 is released. Waiting for 0.14.14 as that release fixes an in-game issue affecting AU (see: https://forums.factorio.com/viewtopic.php?f=30&t=33911)