I don't think this structure is supposed to generate at y=40 (using Open Terrain Generator) · Issue #138 · TeamChocoQuest/ChocolateQuestRepoured · GitHub
Open Terrain Generator (OTG) - Mods - Minecraft - CurseForge
biomes in .properties don't work in custom terrain generator like OTG · Issue #2346 · sp614x/optifine · GitHub
Open Terrain - Map Generator Mod For Minecraft 1.12.2 | PC Java Mods
Open Terrain Generator (OpenTerrainGenerator / OTG) Mod 1.16.5/1.12.2 – Minecraft Mods PC