Oh! I see now, thank you.

Hey !

Thanks for your answer. Attached a save file

And no mods, just to make sure, this is the mods window:

Hi,

I just got updated to 13.19 / steam / mac. Now it seems there are no biters. I tried several options at the map generator but I don't see any. Is there something I should check or correct? I tried looking for this issue but all concerns are about people having too much biters. I want that ...