Posts by Lappack?

Ah feck, makes sense. The item is still present tho...

Forgot to mention, my Minecraft version is 1.12.2. List of used mods:

Crafting recipe for Lappack contains the Lappack itself for some reason. And I tried that other recipe (which is not shown in my game) with 6 Lazuli Blocks, Adv. Circuit and BatPack, it's not working. What do I do?