Please upgrade to 2.2 here.
The 2.0 and 2.1 branches are no longer being updated.
This discussion is related to the Post Count
I've installed Post Count, last version in Vanilla Forums 2.0.17 and 2.0.18b2, but the plugin not work. I've tried without others plugins installed, and it's always the same: not work!
P.S. I've tried also old version and it's the same...