Describe the bug
Upon loading into the world, depending on if the backpack with the Lava/Water tank is inside player inventory it will crash upon opening inventory. Else; player crashes immediately after loading the world. Dropping Backpack upon death will also crash game immediately

To Reproduce
Steps to reproduce the behavior:

1. Open backpack
2. Place upgrade into slot
3. Place Water/Lava into fluid meter
4. See error

Expected behavior
I expected to be able to move after the game crashes if the item is in my inventory but if the item is in my hotbar, it will crash immediately upon loading into the world.

Screenshots



Versions
Sophisticated Backpacks Mod: 1.19.2-3.18.40.775
Sophisticated Core Mod: 1.19.2-0.5.38.203

are you using optifine? if so remove that to fix

I am pretty sure this was optifine and there was no additional info provided so closing