For some reason any structures from mo'structures will NOT spawn if you are using the "Oh The Biome's You'll Go" Mod.

Mod: https://www.curseforge.com/minecraft/mc-mods/oh-the-biomes-youll-go-fabric

it works in AOF pack, idk what you mean. what mc versiom, 1.16.5?

yeah its 1.16.5, for me they literally do not spawn when using BYG
very weird. I tried to /locate on every structure and could not find a single one, even after making numerous worlds

show me latest.log after you create a world, try to /locate them

I'm also using this mod for improved generation on default biomes, which mo'structures works on. But If I add BYG to the mix, it won't generate any structures from your mod.

https://www.curseforge.com/minecraft/mc-mods/william-wythers-overhauled-overworld

Actually I don't think its byg, here is a log without the mod. I'm going to send another log afterwards with it.

Log: https://pastebin.com/ULbFbhqz

I'm thinking it's better end, now that i see it.

Might be the wythers mod. I don't do anything that might do it but I will leave this incase it is me. Do a bug report on wythers.

here's another log just in case: https://pastebin.com/DQW4Mpg5

Apparently repurposed structures works with the Wythers mod, but your mod doesn't. Do you think it's a problem with Wyther's preventing unknown structure generation (mo'structures) specifically, or is it on your side?

ALSO very weird thing that might be important: the balloons from mo'structures were still generating in the air, just no generation for anything else.

I think I know the issue. It’s on Fabric API I believe. Maybe, Ill have to test.

Turns out to be a bug with Fabric API. I PR'd a fix to 1.17, I'll see to when it gets backported to 1.16.5.

Hey Conq! Can you try updating Fabric API?

POG it works, nice!