fix

data-updates.lua

@@ -4,6 +4,8 @@ require("aluminum-matter")
 require("map-gen-preset-updates")
 require("strange-matter")
 
+local util = require("data-util");
+
 if data.raw.resource["copper-ore"] then
   if mods["space-exploration"] then
     local noise = require('noise');

data.lua

@@ -3,6 +3,7 @@ require("aluminum-recipe")
 -- require("aluminum-enriched")   -- Enriched Al for Krastorio 2
 -- require("aluminum-recipe-se") 
 -- require("aluminum-compressed")
+local util = require("data-util");
 
 -- Must be last
 util.create_list()