Your barreling dont need, or generates, empty barrels. All modded fluids Support.
Mods introducing new content into the game.
Augmented or new ways of transporting materials - belts, inserters, pipes!
Icons seem to be bugged: https://imgur.com/a/huQs8Hm Edit, also some recipes need barrels, some don't. Can provide mod list if needed.
this problem is a little annoying