I have been having a lot of issues trying to export from Obsidian using the Pandoc Plugin. With Linux I got empty error messages, and with Windows it said that the content was empty.
Turning Internal link processing to Leave unchanged fixed this problem for me.
So I guess that the “empty” error referred to the description of the links.
I couldn’t comment in the post that already asked about this, so I hope it is OK to post this solution here.
Another thing you could do, if you are willing, is add a link here (in the body of your original post or one after this one) to the old and closed post with the same issue. Then later, if someone sees that post, they may find the link at the bottom coming here. e.g.
