@@ -97,8 +97,9 @@
 			end
 		else
 			-- WHY IS THIS INTERFACE SO CLUMSY
 			local all,i = minetest.get_all_craft_recipes(out), nil
+			if all == nil then return nil end
 			for _,r in pairs(all) do
 				if r.method == method and r.items and #r.items>0 then
 					i = r break
 				end