In a world with limited size, hives near the borders will spawn creep beyond its borders. When you delete creep, the earth cells remain under it, which expands the boundaries of the world and break narrow world gameplay.
Versions: Krastorio 1.1.4 + Factorio 1.1.38
Other mods: Factorio library 0.8.2
Krastorio was added before the game started
