Please refer to net.minecraftforge.oredict.RecipeSorter

[bookerthegeek]

Unknown recipe class! vswe.stevesfactory.blocks.ClusterRecipe Modder please refer to net.minecraftforge.oredict.RecipeSorter

Sorry to bother you if this is not where you would like this posted.

https://github.com/MyM-ModpackTeam/B2B/issues/6

[labpaw]

@Vswe seems to be inactive on his mods.
However, you can take a look at http://minecraft.curseforge.com/mc-mods/234882-advanced-systems-manager which have this "bug" fixed.