If you found a village in conquered wildlands, you can't cast cloud walk targeting that territory.
To express the bug:
1. Learn Air 4 (cloud walk)
2. Conquer some wildlands.
3. Bring in your pioneer and found a village.
4. Cast cloud walk and target any square that used to part of the wildlands. It will deny you with the text "cannot target a tile occupied by an enemy."
Note 0: I've only noticed this in the "scrapyard" wildland.
Note 1: you can still cloud walk out of wildlands.
