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Issue description:

Minecraftt 1.12.2 crash at startup and sometimes go to game and then after a few minutes crash with Mekanism as cause. Crashes with and without Optifine.
Please help. Thanks.

Steps to reproduce:

Version (make sure you are on the latest version before reporting):

Forge: in image bellow
Mekanism: Mekanism-1.12.2-9.4.13.349
** CoFHCore-1.12.2-4.5.3.20-universal
Other relevant version:

Java 1.8.0.171.64

If a (crash)log is relevant for this issue, link it here: (It's almost always relevant)

[gist/pastebin/etc link here]
https://paste.dimdev.org/emuciginop.mccrash

looks like an issue with whatever cofh-based block you've connected the pipe to, its not crashing in our code.