OTG Version: OpenTerrainGenerator-edge-and-biome-group-fix.jar

BoP Version: BiomesOPlenty-1.12.2-7.0.1.2444-universal

For some reason OTG's chunk batcher seems to be having issues with non-OTG overworlds.

To reproduce start a BoP overworld from the main menu in single player forge. As soon as the player spawns the world generation will freeze and the log spams some variant of:

[06:45:48] [Chunk Batcher 0/INFO] [OTG]: Could not find biome Woodland - biomesoplenty:woodland
[06:45:48] [Chunk Batcher 1/INFO] [OTG]: Could not find biome Woodland - biomesoplenty:woodland
[06:45:48] [Chunk Batcher 3/INFO] [OTG]: Could not find biome Woodland - biomesoplenty:woodland
[06:45:48] [Chunk Batcher 2/INFO] [OTG]: Could not find biome Woodland - biomesoplenty:woodland

Have not been able to reproduce this with r9, feel free to reopen if the problem still occurs.

Also happens with OpenTerrainGenerator-1.12.2_-_v9.0_r7

Had this same issue. You said you couldn't produce it, yet you somehow did, lol.