What counts as having no food source when Signs of a Predator covers the food source on your camp tile?

Question

Accepted Answer

Food sources are the bird and fish icons on island tiles. Only the camp tile counts: if it shows neither icon, you cannot cover one and take the wound. Adjacent tiles do not count.

Robinson Crusoe: Adventures on the Cursed Island

What counts as having no food source when Signs of a Predator covers the food source on your camp tile?