How to get rid of transparent outline between objects in Illustrator?

Question

Adobe Illustrator

When saving to pdf, transparent outlines come out around the objects, they are not visible in the illustrator itself. How can you get rid of them? (the picture shows especially on the hat)

Answer 1

A well-known glitch, yes ... Yes, and in the chandelier, by the way, it periodically crawls out, either because of the weather, or because of the stars.
The only way to avoid this is to make the shapes "overlap" their background objects. Either assign a stroke to the overlying shape, or make the background solid, i.e. without cutting down the overlying shape in the background object.