Description of the issue:

What is the bug? Server crashing on startup.
What did you do to make it happen? Started server after updating IE and Forge. This is happening after all mods finish loading and the world loads, then 1 second later it crashes.
Does it happen every time you do this? Yes.
Did this happen on a dedicated server (multiplayer servers)? Yes.
What other mods were installed when the bug happened? See crash log.

Crashlog:

https://pastebin.com/5j4QaS8T

Versions & Modlist

Forge 14.23.5.2768
ImmersiveEngineering-0.12-86

Nevermind, I remembered I was using IronChests as the output for the cloche's and that was one of the others I updated. Reverted IronChests fixes the crash.