Please upgrade to 2.2 here.
The 2.0 and 2.1 branches are no longer being updated.
Migrating from Simple Machines Forum SMF 2.x to Vanilla 2
I have a fresh install of vanilla, and I would like to port over the content from an old forum to it. I have found the Vanilla Porter, but it doesn't seem to like the version of SMF I am using. Can anyone point me to a solution?