Ok, so I've seen a LOT of pagination problems, but haven't been able to find a problem exactly like mine or a solution that I was able to get to work.
On my page, http://www.somewherenovel.com, the "older posts" and "newer posts" links don't work. What I've found is that they link to ".../page/2" ".../page/3" etc, and none of these seem to work with the theme I'm using (Portfolio Press).
What does work, however, is if I edit the URL to be ".../?paged=2" and so on. The easy fix seems to be to reformat the variable that creates that link, but I cannot figure out for the life of me how to do that.
I'm sorry, I'm dumb. Open to other suggestions too.