Issue Description: Trying to add furnace recipes but they won't get added. Using /ct syntax doesn't give any errors.

What happens: Recipe doesn't get added

What you expected to happen: Furnace recipe being added

Script: https://pastebin.com/MFzb6mgm

CraftTweaker Log: https://pastebin.com/cBeDvyyb

Affected Versions (Do not use "latest"):

• Minecraft: 1.12.2
• Forge: 14.23.5.28.38
• Crafttweaker: v4.1.19
• Using a server: No
• If yes, does the client have the exact same scripts?

Your most recent log file where the issue was present:

[https://pastebin.com/cBeDvyyb]

no idea why I didn't see this sooner, but I cant produce