Version 5.0.2 is modular, meaning you should only keep folders for packs you own (e.g., delete the "Journey to Batuu" folder if you don't have that pack).
This file is a that ensures EA ingredients (like milk and eggs from Cottage Living) are recognized and accepted in recipes. Without it, many ingredient-based systems in the mod will not function correctly. Critical Installation Pieces for 5.0.2: Srsly's Complete Cooking Overhaul 5.0.2 (11.10....
Note that if you have SCCO installed, you do not need the separate Srsly's Modding Resource (SCCOR) download, as it is already included in the main mod. Version 5