Issue description:

Autocrafting crashes the server

What happens:

When trying to autocraft something it lacks the items for

What you expected to happen:

Not craft it and not crash?

Steps to reproduce:

1. Have too few ender essence (Mystical Agriculture) and try to craft ender pearls or have too few ender pearls and try to autocraft Resonant Conversion Kits from Thermal Expansion
   ...

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

• Minecraft: 1.12.1
• Forge: 2463
• Refined Storage: 1.5.18

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

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

crash-2017-09-14_15.59.46-server.txt

[pastebin/gist/etc link here]

Sorry, the crash report doesn't tell me anything about the watchdog crash.