DISCLAIMER: This is a duplicate of emilyploszaj/emi#791 issue. as the developer request, the issue is reposted on here.

Describe the bug
Hello. There is a bug when trying to Recipe fill by EMI using Sophisticated Backpack Crafting Upgrade (sophisticatedcore:emi_fill_recipe).
also there is another bug reported on emi repository about Storage mod: emilyploszaj/emi#778
log of error: https://mclo.gs/jnayaJX
video:

To Reproduce

1. Open backpack
2. Open Crafting Upgrade Grid
3. Open Recipe of any item on EMI (Clicking any item on EMI menu)
4. Using "+" (Recipe Fill) button
5. World Crashes

Expected behavior
fill the recipe on crafting upgrade grid successfully.

Versions
Minecraft: 1.21.1
Sophisticated Core: 0.6.50.61
Sophisticated Backpacks: 3.20.19.51
EMI: 1.1.18

This issue is in the unofficial fabric version of the mod so you will need to log it on that tracker.