Failed to load mods: Error in assignID, recipe-category with name 'angels-chemical-void' does not exist.
Source: angels-chemical-void-char-creosote-oil (recipe)
(if angel's refining is enabled but petrochem isn't)
Thank you for reporting. The chemical void function apparently exists in Angel's refining, even though the building using the recipe doesn't. I've changed it so that the void function only gets called if you have petrogen also.