Issue description:

What happens: Start auto craft for thermal foundation cryotheum items get pushed in to a chest then the game crashes. Unknown if it happens when autocrafting other items.

What you expected to happen:

Steps to reproduce:

...

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

• Minecraft:1.12.2
• Forge:14.23.4.2765
• Refined Storage:1.6.5

Does this issue occur on a server? unknown.

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

https://pastebin.com/UMYskaAV

This has been fixed in the dev builds. Coming soon to a RS release near you.