Issue description:

Crash with gregtech

What happens:

when trying to manipulate(via autocrafting or manually) some gregtech liquids stored in external storage game crashes

What you expected to happen:

game continues to run

Steps to reproduce:

1. setup a barebones network
2. add an external storage to a tank with gt chlorine
3. add some chlorine to the tank
4. when you try to take chlorine from fluid terminal the game crashes
   ...

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

• Minecraft: 1.12.2
• Forge: 14.23.5.2860
• Refined Storage: 2.3.2
• Gregtech Ceu: 2.8.6-beta

Does this issue occur on a server? [yes/no]
both on server multiplayer and local singleplayer

If a (crash)log is relevant for this issue, link it here:

[pastebin/gist/etc link here]

Default rs doesn't crash

same issue here with an industrial forgoing black hole tank
doing nothing except removing the tank solves the crashing

https://pastebin.com/TMM0v4EX

Minecraft: 1.12.2
Forge: 14.23.5.2860
Refined Storage: 2.3.2
Industrial Forgoing: 1.12.13-237