Storage is "null" when using cobblestone generator

[zevaryx]

Context

I'm working on creating the Iron farm from this schematic:

https://createmod.com/schematics/ultimate-iron-farm-1300-ingot-hr

Starting this farm causes an instant crash. I'm playing the Create Extra modpack w/ a few mods added:

Sophisticated Backpacks Sophisticated Storage Tom's Simple Storage Mod Trinkets Distant Horizons

Crash Report

https://mclo.gs/je5jOei

[IThundxr]

Try removing valkyrienskies

[zevaryx]

Yep, that fixed it! Interesting that that mod in particular causes it, since Create: Interactive depends on it