Minecraft Version

1.16.5

Forge Version

36.1.6

Mod Version

pneumaticcraft-repressurized-1.16.5-2.12.5-190

Describe your problem, including steps to reproduce it

1. Create a GPS Area Tool.
2. Set the positions.
3. Open the tool's GUI.
4. Click "Change Area Type".
5. Click the button under P1.
6. After the inventory screen appears, hit escape.

stacktrace: https://gist.github.com/mc-ganduron/913d15c374b9fb427ae9a5fa1f63f2e1

Any other comments?

Confirmed.

Fixed in 2.13.0