I'm currently trying to flatten this island (on the screenshot). As you can see, it has some holes to it.
I tried to do the follow active quads thing with the selected face, but the result is something like this:
When I'm trying, following the guide (https://youtu.be/8qv6DbWr6zw, 11:14 section), to hide the holes and follow active quads without them, I get this (only central part is flattened):
How can I solve this problem? Thank you.