With Infinite Dimensions + Architectury 13.0.11 + No Man's Land 1.5.12 on NeoForge 21.1.248. This error occurs:
No Man's Land (nomansland) encountered an error while dispatching RegisterSpawnPlacementsEvent
IllegalStateException: Nonnull heightmap types or spawn placement types may only be used with the REPLACE operation. Entity Type: minecraft:camel
Entity Type: minecraft:camel
Nonnull heightmap types or spawn placement types may only be used with the REPLACE operation
Other people on CurseForge seem to be having similar problems with mods like Atmospheric too.
will be fixed in the next release!