Issue description:

Game crashed.

What happens:

Game crashed.

What you expected to happen:

Not a Game crash.

Steps to reproduce:

1. build up a little System (Creative Controller, Cable, Wireless Transmitter)
2. connect wireless grid with creative controller
3. open the grid -> crash (after a little delay)

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

• Minecraft: 1.12.2
• Forge: 2745
• Refined Storage: 1.6.2

Does this issue occur on a server? [yes/no]
Singleplayer

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

https://paste.dimdev.org/huzoferimi.mccrash