Issue description:

I've been playing this save for a while now and after adding a bunch of new Crafters things went south. Now I can't even start my world without a crash.

What happens:

When I try to load the save it crashes.

What you expected to happen:

I can start and play my save.

Steps to reproduce:

1. Select my save from the Single Player menu
2. Crash with stack trace

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

• Minecraft: 1.12.2
• Forge: 14.23.5.2815
• Refined Storage: 1.6.14

Does this issue occur on a server? no

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

https://pastebin.com/pvsBPM8g

Tested with latest Forge (14.23.5.2836) and the problem still occurs.

Discussion will continue in the other issue report (see above).