I was using a moded furnace, from reworked metals (reworkedmetals-1.1-1.17.1.jar).

This was working before updating polymorph. I added some ingots to smelt and once I shift-click the coal the game crashed.

Versions (Be specific, do not write "latest"):

• Polymorph: polymorph-forge-1.17.1-0.30.jar
• Forge/Fabric: 37.0.109

Observed Behavior:

Game crashes when shift-click on coal

Expected Behavior:

Items would be smelted

Steps to Reproduce:

...

Crash Log: Please use a paste site like hastebin.
[bytebin](https://bytebin.lucko.me/9xQXikEmXc}