Minecraft Version

1.12.2

Forge Version

12.0.157

Mantle Version

12.0.15

Tinkers' Construct Version

1.12.2-12.0.15

Describe your issue

Whenever I try to build the smeltery, the whole system for it doesn't work. The ui doesn't pop up, and when I throw some ores inside, they don't convert into their molten form. I had tested this in a creative world (still using multiMC and the modpack) and it still wouldn't work. I made it as a 3x3 with several different layers, but it still doesn't work.

Crash Report

No response

Other mods

The modpack i was using is the stoneblock 2 from FTB. I was using MultiMC (latest version 0.7.0) to run the modpack.

Tried reproducing with just Tinkers?

I will go do that now

Does this issue affect Tinkers' Construct in 1.19.2?

No

Performance Enchancers

None of the above

Searched for known issues?

Checked pinned issues, Searched open issues, Searched closed issues

The modpack can change how things work, I suggest go asking in the https://go.ftb.team/discord discord. They made it, also don't alter a bug report for your version. 1.12 is long unsupported.