This mod will create power lines between most of the base game's entities that require power.
Mods introducing new content into the game.
Changes to power production and distribution.
https://imgur.com/a/eU3Oj1j
So, I'm not sure exactly how you triggered the error, but I see the typo in my code that caused it.
The 0.4.7 version should fix this error though, let me know if you are still having issues.
