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Issue description:

When loading up Mekanism the game crashes because of the gasses

Steps to reproduce:

1. Install Mekanism
2. Hit Play
3. Result

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

Forge: 14.23.1.2556
Mekanism: 1.12.2.-9.4.2.327
Other relevant version: 1.12.2

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

https://paste.ee/p/XWjU8

I am having the same exact problem, I even downloaded the 328 from the website and still have the same problem!
https://paste.ee/p/SYepC

The problem is known: #4827

It's an incompatibility with Buildcraft and already fixed in dev: 17ce494

Self compiling is the best bet if you currently want to play with both mods, or wait for the next version. ;)

As @wamc2017 said, duplicate of #4827