Has Post Rank lost it's connection with my blog?

Hi, loving your service!! :o) But unfortunately I'm experiencing some problems.

Postrank is reporting "no data" for my last post, even I know it's been shared amongst others on twitter :o) ? And it's been a few days, so it usually gives good rankings.

Hope you can help.

My blog is a Wordpress, I have done nothing the last few days (except updating some plugins automatically) Can't remember which.

Address: 180360720.no

best regards.
Helge