I recently finished setting up a mini blog/portfolio of my own. It's still pretty empty and all that, but I already spotted a problem.
I currently have this structure for the permalinks:
and "content" as category base.
If you go to
It will bring you to the portfolio section of my site. At the bottom you can find the link "Older Projects" (older entries by default) and clicking on it creates this url:
which works sometimes, but gives a 404 error many other times!
Does anyone have an idea of why could this be happening?