Cannot run program "pf": error=2, when executing "sbt packageSite" · Issue #14 · eed3si9n/learning-scalaz

I see "Cannot run program "pf": error=2," when executing "sbt packageSite". My environment is Fedora 20 sbt 0.13 scala 2.11.7 sbt packageSite [info] Loading global plugins from /home/shigemk2/.sbt/...