I\'m new to NHibernate and have been trying to get up and running with it, Fluent NHibernate and NHProf using NuGet. After reading this article (http://gurustop.net/blog/2011/0
Each version of Fluent NHibernate uses an exact version of NHibernate (included in the Fluent NHibernate package)
You should remove the NHibernate package and add only Fluent NHibernate