Describe the bug
A clear and concise description of what the bug is.

To reproduce
Steps to reproduce the behavior:

1. Install MoreMcmeta 4.5.1
2. Install any PBR pack such as AVPBR
3. Open shaders with Iris, and set it to LABPBR
4. See crash

Expected behavior
For it to work normally like IT DID before the update, which was the version 4.4.7

Which Minecraft versions does this bug affect?
1.20.1

Mod loader
Which mod loaders does this bug affect?

• [0.16.9] Fabric

Mods list
In the logs below

Resource pack
AVPBR

Log
https://mclo.gs/r1TVLLJ

Closing as duplicate of #108--please follow that issue for updates