Modern Sky Block 2: 2.9.0.1
Sky Resources 2: 2.1.5
Expert Mode
Sponge Forge 7 beta 2747
Forge version:2568

Current action Does nothing when crafting glowstone / charged certus
problem may extend further untested.

Console Error:
com.bartz24.skyresources.technology.item.itemcombusionheater:getfuel:167]:68.0 14.0

this is an issue with sponge. i dont what is causing it yet