Minecraft version:
1.18.2

Forge version:
40.1.16

Java version:
java version "17.0.1" 2021-10-19 LTS
Java(TM) SE Runtime Environment (build 17.0.1+12-LTS-39)
Java HotSpot(TM) 64-Bit Server VM (build 17.0.1+12-LTS-39, mixed mode, sharing)

Crash repot:
https://pastebin.com/FKf2sUnt

What happened?
Client chrashes upon opening the GUI of the cobblestone generator. The generator is set to "Obsidian". It worked before, the issue started at some point

Thanks for the report, it will be fixed in 1.18.2-1.2.1