Crash with patchouli when opening a patchouli book happened totally at random.

https://pastebin.com/ihnR7pu6

Patchouli-1.0-20.jar
Forge : 14.23.5.2838
MC: 1.12.2

This issue is stale because it has been open for a while with no activity. Please bump if this is still an issue, or this ticket will be closed soon.