This crash occurs during the creation of a single player world. I have not tested on a server.

-- MOD spirit --
Details:
Mod File: /C:/Users/aaron.page/curseforge/minecraft/Instances/The Expansion/mods/spirit-forge-1.19.2-2.1.12.jar
Failure message: Spirit (spirit) encountered an error during the sided_setup event phase
java.util.ConcurrentModificationException: null
Mod Version: 2.1.12
Mod Issue URL: NOT PROVIDED
Exception message: java.util.ConcurrentModificationExceptio
crash-2022-10-02_15.37.00-fml.txt