Describe the bug

I am using a Modpack, Feta, which has AE2 in it, using 11.0.0-alpha.5. I wanted to update the pack with the most current AE2 release 11.5.0, as I have seen and used the new UI.

Using Fabric Loader 0.14.9
Java 17

I have tried PolyMC, MultiMC and ATLauncher with same results.

How to reproduce the bug

Update Feta modpack with AE2 11.5.0 for Fabric from 11.0.0-alpha.5

Expected behavior

Launch game and create world.

Additional details

I can return to the 11.0.0-alpha.5 version without issue at anytime. I did also try versions 11.6.1-beta down to 11.1.0. with no joy.

Which minecraft version are you using?

1.18

On which mod loaders does it happen?

Fabric

Crash log

https://pastebin.com/gj24Qpnc

Did not see a Tag for bug or other options, incorrect tag applied.

try if updating polymorph fixes this.

Thank you very much for the solution to this problem! The one mod, well there are a LOT of them in this pack, that I didn't update. Updated Polymorph from 0.0.20 to 0.0.21 resolved this issue.

Thank you again.