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The 2.0 and 2.1 branches are no longer being updated.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
Some users post counts are displaying as zero on their post!
For now, I just changed line 99 in class.postcount.plugin.php to +1 to $Posts
'.sprintf(T(Plural($Posts,'Posts: %s','Posts: %s')),number_format($Posts+1,0)).'