This mod condenses all ores into a single ore from which everything is extracted.
Mods introducing new content into the game.
New Ores and resources as well as machines.
Things related to oil and other fluids.
Furnaces, assembling machines, production chains.
Error while applying migration: Omnimatter: omnimatter_1.1.6.lua omnimatter/migrations/omnimatter_1.1.6.lua:21: attempt to index field '?' (a nil value)
What modpack are you using? Could you supply the save?