Description of the issue:

When loading chunks that contain wires (after going far enough away to unload the chunks containing said wires), the game crashes. It happens every single time I unload and reload those chunks.

Crashlog:

https://pastebin.com/Du5WnNAQ
(No OptiFine): https://pastebin.com/UhZhNR1g (still crashes)

Versions & Modlist

Forge version: unsure
IE version: ImmersiveEngineering-0.16-109

I'm gonna try using the /forceload command to keep the chunks loaded

This looks very similar to an issue I opened, this might duplicate check here #4111

Ah, I DID check if it was already mentioned somewhere, but I didn't see that one.
Yeah, that does seem to be the same issue as what I've described here. Though I will say that using the /forceload command DOES prevent the game from crashing since it prevents those chunks from unloading.

I think my fix for #4111 should also fix this. If it happens again with the new release (once that's out) please put a comment here with the new crash.