I can't create a colony. It says I have some bandits left but I see none — Knights & Brides Help Center

I can't create a colony. It says I have some bandits left but I see none

Last Updated: 435d

There may be two reasons:

You may need to keep clearing the land of clouds to meet that remaining gang of bandits and defeat them.
You have a geologist on the land. Sell the geologist to create a colony!