Here is a crash log, I sent a crash log to Sophisticated Backpack

[Ninezel]

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Version info Java version: Minecraft Forge version: 35.1.36

Describe the bug I don't know what really is happening

To Reproduce Steps to reproduce the behavior:

1. Pressed F5 while wearing a backpack from another mod

Expected behavior A clear and concise description of what you expected to happen.

Mod list Including versions, provided by crash report if game crashed:

Smallest sub-list that still produces issue, if any exclusion testing was done:

Log files Here is a pastebin link: (https://pastebin.com/PqUyNEhE)

Screenshots If applicable, add screenshots to help explain your problem.

Additional context Add any other context about the problem here.

[EzerArch]

MPS is here now: https://github.com/lehjr/MachineMusePowersuits (by @lehjr)