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

• Polymorph: 1.16.5-0.24
• Forge/Fabric: forge

Observed Behavior: placed any ore inside of furnace did not smelt

Expected Behavior: placing of any ore inside of furnace to start smelting

Steps to Reproduce:

1. placed iron ore inside furnace with fuel
2. waited

...

Crash Log: Please use a paste site like hastebin.

Can you reproduce this with only Polymorph installed? If not, you'll need to provide a minimum number of mods to reproduce this issue.