[Crash] Neoforge 1.21.1 v139 crash on startup

**Crash report**
https://mclo.gs/gZTBS7r

**Fabric or Forge**
Neoforge 1.21.1 v139

**Mod version**
2.0

**Game version**
1.21.1

**Other mods**
none

**Other details**
N/A
