Version Information

Foundry: Foundry-1.12.2-3.2.0
Botania: Botania r1.10-354
Forge: 14.23.4.2739

Further Information

Link to crash log: Crash Log
Steps to reproduce:
Place exoflame next to an alloy furnace from the foundry mod

What happened instead: crash to desktop on placement and then on world load

scalda/Foolcraft_3#179

Can be closed now as it was a Foundry issue fixed on their side.