Issue description:

https://clips.twitch.tv/ChillyDarlingPorpoiseMVGame

What happens:

What you expected to happen:

Steps to reproduce:

1. Start auto craft task
2. all items in grid vanish, but a zero itemstack is there
3. the game crashes
   ...

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

• Minecraft: 1.11.2
• Forge:
• Refined Storage:

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

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

[pastebin/gist/etc link here]