Navigating from post to author page shows no content or too much

[hacdias]

I was taking a look at the blog, and I noticed that the author name is clickable. However, when you click on it, you just get to a blank page that shows... nothing useful:

How to reproduce:

1. Go to a post.
2. Click author name.

Please note that this only happens if you first go to a post and click on their name. Refreshing the page will show the correct content.

Another problem is that if you open the page of the author, it shows all the blog posts, which is also wrong: