Crimson Forest Gets Identified, But No Trees or Nylium Spawn

[PhweeDev]

When loading a BetterNether world. I cannot find a Crimson Forest that has nylium and crimson trees.

As you see here, This is identified as a crimson forest but only hoglins are present.

[Shibva]

I think I know what they are saying, their trying to locate specific biomes but when they do the biomes is not the biome but its one of the better nether ones. Im having an issue where I cant locate a single basalt Delta and im wondering if better nethers gen is messing up the gen for vanilla biomes, the only mods that I have present are Infernal Nether and this mod